diff --git a/google-api-grpc/grpc-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchGrpc.java b/google-api-grpc/grpc-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchGrpc.java
index 7ed74f98416c..229c0b8d0cf9 100644
--- a/google-api-grpc/grpc-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchGrpc.java
+++ b/google-api-grpc/grpc-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchGrpc.java
@@ -13,15 +13,13 @@
  * <pre>
  * Manages Products and ProductSets of reference images for use in product
  * search. It uses the following resource model:
- * - The API has a collection of [ProductSet][google.cloud.vision.v1.ProductSet]
- * resources, named `projects/&#42;&#47;locations/&#42;&#47;productSets/&#42;`, which acts as a way
- * to put different products into groups to limit identification.
+ * - The API has a collection of [ProductSet][google.cloud.vision.v1.ProductSet] resources, named
+ * `projects/&#42;&#47;locations/&#42;&#47;productSets/&#42;`, which acts as a way to put different
+ * products into groups to limit identification.
  * In parallel,
- * - The API has a collection of [Product][google.cloud.vision.v1.Product]
- * resources, named
+ * - The API has a collection of [Product][google.cloud.vision.v1.Product] resources, named
  *   `projects/&#42;&#47;locations/&#42;&#47;products/&#42;`
- * - Each [Product][google.cloud.vision.v1.Product] has a collection of
- * [ReferenceImage][google.cloud.vision.v1.ReferenceImage] resources, named
+ * - Each [Product][google.cloud.vision.v1.Product] has a collection of [ReferenceImage][google.cloud.vision.v1.ReferenceImage] resources, named
  *   `projects/&#42;&#47;locations/&#42;&#47;products/&#42;&#47;referenceImages/&#42;`
  * </pre>
  */
@@ -1105,15 +1103,13 @@ public static ProductSearchFutureStub newFutureStub(io.grpc.Channel channel) {
    * <pre>
    * Manages Products and ProductSets of reference images for use in product
    * search. It uses the following resource model:
-   * - The API has a collection of [ProductSet][google.cloud.vision.v1.ProductSet]
-   * resources, named `projects/&#42;&#47;locations/&#42;&#47;productSets/&#42;`, which acts as a way
-   * to put different products into groups to limit identification.
+   * - The API has a collection of [ProductSet][google.cloud.vision.v1.ProductSet] resources, named
+   * `projects/&#42;&#47;locations/&#42;&#47;productSets/&#42;`, which acts as a way to put different
+   * products into groups to limit identification.
    * In parallel,
-   * - The API has a collection of [Product][google.cloud.vision.v1.Product]
-   * resources, named
+   * - The API has a collection of [Product][google.cloud.vision.v1.Product] resources, named
    *   `projects/&#42;&#47;locations/&#42;&#47;products/&#42;`
-   * - Each [Product][google.cloud.vision.v1.Product] has a collection of
-   * [ReferenceImage][google.cloud.vision.v1.ReferenceImage] resources, named
+   * - Each [Product][google.cloud.vision.v1.Product] has a collection of [ReferenceImage][google.cloud.vision.v1.ReferenceImage] resources, named
    *   `projects/&#42;&#47;locations/&#42;&#47;products/&#42;&#47;referenceImages/&#42;`
    * </pre>
    */
@@ -1420,8 +1416,8 @@ public void listProductsInProductSet(
      * <pre>
      * Asynchronous API that imports a list of reference images to specified
      * product sets based on a list of image information.
-     * The [google.longrunning.Operation][google.longrunning.Operation] API can be
-     * used to keep track of the progress and results of the request.
+     * The [google.longrunning.Operation][google.longrunning.Operation] API can be used to keep track of the
+     * progress and results of the request.
      * `Operation.metadata` contains `BatchOperationMetadata`. (progress)
      * `Operation.response` contains `ImportProductSetsResponse`. (results)
      * The input source of this method is a csv file on Google Cloud Storage.
@@ -1455,8 +1451,8 @@ public void importProductSets(
      * re-use the empty ProductSet to re-import new Products into the empty
      * ProductSet, you must wait until the PurgeProducts operation has finished
      * for that ProductSet.
-     * The [google.longrunning.Operation][google.longrunning.Operation] API can be
-     * used to keep track of the progress and results of the request.
+     * The [google.longrunning.Operation][google.longrunning.Operation] API can be used to keep track of the
+     * progress and results of the request.
      * `Operation.metadata` contains `BatchOperationMetadata`. (progress)
      * </pre>
      */
@@ -1599,15 +1595,13 @@ public final io.grpc.ServerServiceDefinition bindService() {
    * <pre>
    * Manages Products and ProductSets of reference images for use in product
    * search. It uses the following resource model:
-   * - The API has a collection of [ProductSet][google.cloud.vision.v1.ProductSet]
-   * resources, named `projects/&#42;&#47;locations/&#42;&#47;productSets/&#42;`, which acts as a way
-   * to put different products into groups to limit identification.
+   * - The API has a collection of [ProductSet][google.cloud.vision.v1.ProductSet] resources, named
+   * `projects/&#42;&#47;locations/&#42;&#47;productSets/&#42;`, which acts as a way to put different
+   * products into groups to limit identification.
    * In parallel,
-   * - The API has a collection of [Product][google.cloud.vision.v1.Product]
-   * resources, named
+   * - The API has a collection of [Product][google.cloud.vision.v1.Product] resources, named
    *   `projects/&#42;&#47;locations/&#42;&#47;products/&#42;`
-   * - Each [Product][google.cloud.vision.v1.Product] has a collection of
-   * [ReferenceImage][google.cloud.vision.v1.ReferenceImage] resources, named
+   * - Each [Product][google.cloud.vision.v1.Product] has a collection of [ReferenceImage][google.cloud.vision.v1.ReferenceImage] resources, named
    *   `projects/&#42;&#47;locations/&#42;&#47;products/&#42;&#47;referenceImages/&#42;`
    * </pre>
    */
@@ -1977,8 +1971,8 @@ public void listProductsInProductSet(
      * <pre>
      * Asynchronous API that imports a list of reference images to specified
      * product sets based on a list of image information.
-     * The [google.longrunning.Operation][google.longrunning.Operation] API can be
-     * used to keep track of the progress and results of the request.
+     * The [google.longrunning.Operation][google.longrunning.Operation] API can be used to keep track of the
+     * progress and results of the request.
      * `Operation.metadata` contains `BatchOperationMetadata`. (progress)
      * `Operation.response` contains `ImportProductSetsResponse`. (results)
      * The input source of this method is a csv file on Google Cloud Storage.
@@ -2015,8 +2009,8 @@ public void importProductSets(
      * re-use the empty ProductSet to re-import new Products into the empty
      * ProductSet, you must wait until the PurgeProducts operation has finished
      * for that ProductSet.
-     * The [google.longrunning.Operation][google.longrunning.Operation] API can be
-     * used to keep track of the progress and results of the request.
+     * The [google.longrunning.Operation][google.longrunning.Operation] API can be used to keep track of the
+     * progress and results of the request.
      * `Operation.metadata` contains `BatchOperationMetadata`. (progress)
      * </pre>
      */
@@ -2036,15 +2030,13 @@ public void purgeProducts(
    * <pre>
    * Manages Products and ProductSets of reference images for use in product
    * search. It uses the following resource model:
-   * - The API has a collection of [ProductSet][google.cloud.vision.v1.ProductSet]
-   * resources, named `projects/&#42;&#47;locations/&#42;&#47;productSets/&#42;`, which acts as a way
-   * to put different products into groups to limit identification.
+   * - The API has a collection of [ProductSet][google.cloud.vision.v1.ProductSet] resources, named
+   * `projects/&#42;&#47;locations/&#42;&#47;productSets/&#42;`, which acts as a way to put different
+   * products into groups to limit identification.
    * In parallel,
-   * - The API has a collection of [Product][google.cloud.vision.v1.Product]
-   * resources, named
+   * - The API has a collection of [Product][google.cloud.vision.v1.Product] resources, named
    *   `projects/&#42;&#47;locations/&#42;&#47;products/&#42;`
-   * - Each [Product][google.cloud.vision.v1.Product] has a collection of
-   * [ReferenceImage][google.cloud.vision.v1.ReferenceImage] resources, named
+   * - Each [Product][google.cloud.vision.v1.Product] has a collection of [ReferenceImage][google.cloud.vision.v1.ReferenceImage] resources, named
    *   `projects/&#42;&#47;locations/&#42;&#47;products/&#42;&#47;referenceImages/&#42;`
    * </pre>
    */
@@ -2361,8 +2353,8 @@ public com.google.cloud.vision.v1.ListProductsInProductSetResponse listProductsI
      * <pre>
      * Asynchronous API that imports a list of reference images to specified
      * product sets based on a list of image information.
-     * The [google.longrunning.Operation][google.longrunning.Operation] API can be
-     * used to keep track of the progress and results of the request.
+     * The [google.longrunning.Operation][google.longrunning.Operation] API can be used to keep track of the
+     * progress and results of the request.
      * `Operation.metadata` contains `BatchOperationMetadata`. (progress)
      * `Operation.response` contains `ImportProductSetsResponse`. (results)
      * The input source of this method is a csv file on Google Cloud Storage.
@@ -2396,8 +2388,8 @@ public com.google.longrunning.Operation importProductSets(
      * re-use the empty ProductSet to re-import new Products into the empty
      * ProductSet, you must wait until the PurgeProducts operation has finished
      * for that ProductSet.
-     * The [google.longrunning.Operation][google.longrunning.Operation] API can be
-     * used to keep track of the progress and results of the request.
+     * The [google.longrunning.Operation][google.longrunning.Operation] API can be used to keep track of the
+     * progress and results of the request.
      * `Operation.metadata` contains `BatchOperationMetadata`. (progress)
      * </pre>
      */
@@ -2414,15 +2406,13 @@ public com.google.longrunning.Operation purgeProducts(
    * <pre>
    * Manages Products and ProductSets of reference images for use in product
    * search. It uses the following resource model:
-   * - The API has a collection of [ProductSet][google.cloud.vision.v1.ProductSet]
-   * resources, named `projects/&#42;&#47;locations/&#42;&#47;productSets/&#42;`, which acts as a way
-   * to put different products into groups to limit identification.
+   * - The API has a collection of [ProductSet][google.cloud.vision.v1.ProductSet] resources, named
+   * `projects/&#42;&#47;locations/&#42;&#47;productSets/&#42;`, which acts as a way to put different
+   * products into groups to limit identification.
    * In parallel,
-   * - The API has a collection of [Product][google.cloud.vision.v1.Product]
-   * resources, named
+   * - The API has a collection of [Product][google.cloud.vision.v1.Product] resources, named
    *   `projects/&#42;&#47;locations/&#42;&#47;products/&#42;`
-   * - Each [Product][google.cloud.vision.v1.Product] has a collection of
-   * [ReferenceImage][google.cloud.vision.v1.ReferenceImage] resources, named
+   * - Each [Product][google.cloud.vision.v1.Product] has a collection of [ReferenceImage][google.cloud.vision.v1.ReferenceImage] resources, named
    *   `projects/&#42;&#47;locations/&#42;&#47;products/&#42;&#47;referenceImages/&#42;`
    * </pre>
    */
@@ -2749,8 +2739,8 @@ protected ProductSearchFutureStub build(
      * <pre>
      * Asynchronous API that imports a list of reference images to specified
      * product sets based on a list of image information.
-     * The [google.longrunning.Operation][google.longrunning.Operation] API can be
-     * used to keep track of the progress and results of the request.
+     * The [google.longrunning.Operation][google.longrunning.Operation] API can be used to keep track of the
+     * progress and results of the request.
      * `Operation.metadata` contains `BatchOperationMetadata`. (progress)
      * `Operation.response` contains `ImportProductSetsResponse`. (results)
      * The input source of this method is a csv file on Google Cloud Storage.
@@ -2784,8 +2774,8 @@ protected ProductSearchFutureStub build(
      * re-use the empty ProductSet to re-import new Products into the empty
      * ProductSet, you must wait until the PurgeProducts operation has finished
      * for that ProductSet.
-     * The [google.longrunning.Operation][google.longrunning.Operation] API can be
-     * used to keep track of the progress and results of the request.
+     * The [google.longrunning.Operation][google.longrunning.Operation] API can be used to keep track of the
+     * progress and results of the request.
      * `Operation.metadata` contains `BatchOperationMetadata`. (progress)
      * </pre>
      */
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AddProductToProductSetRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AddProductToProductSetRequest.java
index 37101634ba4f..e619c60e2364 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AddProductToProductSetRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AddProductToProductSetRequest.java
@@ -105,12 +105,14 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * The resource name for the ProductSet to modify.
+   * Required. The resource name for the ProductSet to modify.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getName() {
     java.lang.Object ref = name_;
@@ -127,12 +129,14 @@ public java.lang.String getName() {
    *
    *
    * <pre>
-   * The resource name for the ProductSet to modify.
+   * Required. The resource name for the ProductSet to modify.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getNameBytes() {
     java.lang.Object ref = name_;
@@ -152,12 +156,14 @@ public com.google.protobuf.ByteString getNameBytes() {
    *
    *
    * <pre>
-   * The resource name for the Product to be added to this ProductSet.
+   * Required. The resource name for the Product to be added to this ProductSet.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string product = 2;</code>
+   * <code>
+   * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getProduct() {
     java.lang.Object ref = product_;
@@ -174,12 +180,14 @@ public java.lang.String getProduct() {
    *
    *
    * <pre>
-   * The resource name for the Product to be added to this ProductSet.
+   * Required. The resource name for the Product to be added to this ProductSet.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string product = 2;</code>
+   * <code>
+   * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getProductBytes() {
     java.lang.Object ref = product_;
@@ -533,12 +541,14 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The resource name for the ProductSet to modify.
+     * Required. The resource name for the ProductSet to modify.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
@@ -555,12 +565,14 @@ public java.lang.String getName() {
      *
      *
      * <pre>
-     * The resource name for the ProductSet to modify.
+     * Required. The resource name for the ProductSet to modify.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getNameBytes() {
       java.lang.Object ref = name_;
@@ -577,12 +589,14 @@ public com.google.protobuf.ByteString getNameBytes() {
      *
      *
      * <pre>
-     * The resource name for the ProductSet to modify.
+     * Required. The resource name for the ProductSet to modify.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setName(java.lang.String value) {
       if (value == null) {
@@ -597,12 +611,14 @@ public Builder setName(java.lang.String value) {
      *
      *
      * <pre>
-     * The resource name for the ProductSet to modify.
+     * Required. The resource name for the ProductSet to modify.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearName() {
 
@@ -614,12 +630,14 @@ public Builder clearName() {
      *
      *
      * <pre>
-     * The resource name for the ProductSet to modify.
+     * Required. The resource name for the ProductSet to modify.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setNameBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
@@ -637,12 +655,14 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The resource name for the Product to be added to this ProductSet.
+     * Required. The resource name for the Product to be added to this ProductSet.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string product = 2;</code>
+     * <code>
+     * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getProduct() {
       java.lang.Object ref = product_;
@@ -659,12 +679,14 @@ public java.lang.String getProduct() {
      *
      *
      * <pre>
-     * The resource name for the Product to be added to this ProductSet.
+     * Required. The resource name for the Product to be added to this ProductSet.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string product = 2;</code>
+     * <code>
+     * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getProductBytes() {
       java.lang.Object ref = product_;
@@ -681,12 +703,14 @@ public com.google.protobuf.ByteString getProductBytes() {
      *
      *
      * <pre>
-     * The resource name for the Product to be added to this ProductSet.
+     * Required. The resource name for the Product to be added to this ProductSet.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string product = 2;</code>
+     * <code>
+     * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setProduct(java.lang.String value) {
       if (value == null) {
@@ -701,12 +725,14 @@ public Builder setProduct(java.lang.String value) {
      *
      *
      * <pre>
-     * The resource name for the Product to be added to this ProductSet.
+     * Required. The resource name for the Product to be added to this ProductSet.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string product = 2;</code>
+     * <code>
+     * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearProduct() {
 
@@ -718,12 +744,14 @@ public Builder clearProduct() {
      *
      *
      * <pre>
-     * The resource name for the Product to be added to this ProductSet.
+     * Required. The resource name for the Product to be added to this ProductSet.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string product = 2;</code>
+     * <code>
+     * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setProductBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AddProductToProductSetRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AddProductToProductSetRequestOrBuilder.java
index bd2ececaed6c..044761239bf5 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AddProductToProductSetRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AddProductToProductSetRequestOrBuilder.java
@@ -12,24 +12,28 @@ public interface AddProductToProductSetRequestOrBuilder
    *
    *
    * <pre>
-   * The resource name for the ProductSet to modify.
+   * Required. The resource name for the ProductSet to modify.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getName();
   /**
    *
    *
    * <pre>
-   * The resource name for the ProductSet to modify.
+   * Required. The resource name for the ProductSet to modify.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getNameBytes();
 
@@ -37,24 +41,28 @@ public interface AddProductToProductSetRequestOrBuilder
    *
    *
    * <pre>
-   * The resource name for the Product to be added to this ProductSet.
+   * Required. The resource name for the Product to be added to this ProductSet.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string product = 2;</code>
+   * <code>
+   * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getProduct();
   /**
    *
    *
    * <pre>
-   * The resource name for the Product to be added to this ProductSet.
+   * Required. The resource name for the Product to be added to this ProductSet.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string product = 2;</code>
+   * <code>
+   * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getProductBytes();
 }
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateFilesRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateFilesRequest.java
index ba4d4b9681ed..32c7ddc86de5 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateFilesRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateFilesRequest.java
@@ -117,10 +117,12 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Individual async file annotation requests for this batch.
+   * Required. Individual async file annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public java.util.List<com.google.cloud.vision.v1.AsyncAnnotateFileRequest> getRequestsList() {
     return requests_;
@@ -129,10 +131,12 @@ public java.util.List<com.google.cloud.vision.v1.AsyncAnnotateFileRequest> getRe
    *
    *
    * <pre>
-   * Individual async file annotation requests for this batch.
+   * Required. Individual async file annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public java.util.List<? extends com.google.cloud.vision.v1.AsyncAnnotateFileRequestOrBuilder>
       getRequestsOrBuilderList() {
@@ -142,10 +146,12 @@ public java.util.List<com.google.cloud.vision.v1.AsyncAnnotateFileRequest> getRe
    *
    *
    * <pre>
-   * Individual async file annotation requests for this batch.
+   * Required. Individual async file annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public int getRequestsCount() {
     return requests_.size();
@@ -154,10 +160,12 @@ public int getRequestsCount() {
    *
    *
    * <pre>
-   * Individual async file annotation requests for this batch.
+   * Required. Individual async file annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.AsyncAnnotateFileRequest getRequests(int index) {
     return requests_.get(index);
@@ -166,10 +174,12 @@ public com.google.cloud.vision.v1.AsyncAnnotateFileRequest getRequests(int index
    *
    *
    * <pre>
-   * Individual async file annotation requests for this batch.
+   * Required. Individual async file annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.AsyncAnnotateFileRequestOrBuilder getRequestsOrBuilder(
       int index) {
@@ -634,10 +644,12 @@ private void ensureRequestsIsMutable() {
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public java.util.List<com.google.cloud.vision.v1.AsyncAnnotateFileRequest> getRequestsList() {
       if (requestsBuilder_ == null) {
@@ -650,10 +662,12 @@ public java.util.List<com.google.cloud.vision.v1.AsyncAnnotateFileRequest> getRe
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public int getRequestsCount() {
       if (requestsBuilder_ == null) {
@@ -666,10 +680,12 @@ public int getRequestsCount() {
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AsyncAnnotateFileRequest getRequests(int index) {
       if (requestsBuilder_ == null) {
@@ -682,10 +698,12 @@ public com.google.cloud.vision.v1.AsyncAnnotateFileRequest getRequests(int index
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setRequests(
         int index, com.google.cloud.vision.v1.AsyncAnnotateFileRequest value) {
@@ -705,10 +723,12 @@ public Builder setRequests(
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setRequests(
         int index, com.google.cloud.vision.v1.AsyncAnnotateFileRequest.Builder builderForValue) {
@@ -725,10 +745,12 @@ public Builder setRequests(
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(com.google.cloud.vision.v1.AsyncAnnotateFileRequest value) {
       if (requestsBuilder_ == null) {
@@ -747,10 +769,12 @@ public Builder addRequests(com.google.cloud.vision.v1.AsyncAnnotateFileRequest v
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(
         int index, com.google.cloud.vision.v1.AsyncAnnotateFileRequest value) {
@@ -770,10 +794,12 @@ public Builder addRequests(
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(
         com.google.cloud.vision.v1.AsyncAnnotateFileRequest.Builder builderForValue) {
@@ -790,10 +816,12 @@ public Builder addRequests(
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(
         int index, com.google.cloud.vision.v1.AsyncAnnotateFileRequest.Builder builderForValue) {
@@ -810,10 +838,12 @@ public Builder addRequests(
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addAllRequests(
         java.lang.Iterable<? extends com.google.cloud.vision.v1.AsyncAnnotateFileRequest> values) {
@@ -830,10 +860,12 @@ public Builder addAllRequests(
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder clearRequests() {
       if (requestsBuilder_ == null) {
@@ -849,10 +881,12 @@ public Builder clearRequests() {
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder removeRequests(int index) {
       if (requestsBuilder_ == null) {
@@ -868,10 +902,12 @@ public Builder removeRequests(int index) {
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AsyncAnnotateFileRequest.Builder getRequestsBuilder(
         int index) {
@@ -881,10 +917,12 @@ public com.google.cloud.vision.v1.AsyncAnnotateFileRequest.Builder getRequestsBu
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AsyncAnnotateFileRequestOrBuilder getRequestsOrBuilder(
         int index) {
@@ -898,10 +936,12 @@ public com.google.cloud.vision.v1.AsyncAnnotateFileRequestOrBuilder getRequestsO
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public java.util.List<? extends com.google.cloud.vision.v1.AsyncAnnotateFileRequestOrBuilder>
         getRequestsOrBuilderList() {
@@ -915,10 +955,12 @@ public com.google.cloud.vision.v1.AsyncAnnotateFileRequestOrBuilder getRequestsO
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AsyncAnnotateFileRequest.Builder addRequestsBuilder() {
       return getRequestsFieldBuilder()
@@ -928,10 +970,12 @@ public com.google.cloud.vision.v1.AsyncAnnotateFileRequest.Builder addRequestsBu
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AsyncAnnotateFileRequest.Builder addRequestsBuilder(
         int index) {
@@ -943,10 +987,12 @@ public com.google.cloud.vision.v1.AsyncAnnotateFileRequest.Builder addRequestsBu
      *
      *
      * <pre>
-     * Individual async file annotation requests for this batch.
+     * Required. Individual async file annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public java.util.List<com.google.cloud.vision.v1.AsyncAnnotateFileRequest.Builder>
         getRequestsBuilderList() {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateFilesRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateFilesRequestOrBuilder.java
index 1614467e4158..d8b08f8bfd1d 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateFilesRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateFilesRequestOrBuilder.java
@@ -12,40 +12,48 @@ public interface AsyncBatchAnnotateFilesRequestOrBuilder
    *
    *
    * <pre>
-   * Individual async file annotation requests for this batch.
+   * Required. Individual async file annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   java.util.List<com.google.cloud.vision.v1.AsyncAnnotateFileRequest> getRequestsList();
   /**
    *
    *
    * <pre>
-   * Individual async file annotation requests for this batch.
+   * Required. Individual async file annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.AsyncAnnotateFileRequest getRequests(int index);
   /**
    *
    *
    * <pre>
-   * Individual async file annotation requests for this batch.
+   * Required. Individual async file annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   int getRequestsCount();
   /**
    *
    *
    * <pre>
-   * Individual async file annotation requests for this batch.
+   * Required. Individual async file annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   java.util.List<? extends com.google.cloud.vision.v1.AsyncAnnotateFileRequestOrBuilder>
       getRequestsOrBuilderList();
@@ -53,10 +61,12 @@ public interface AsyncBatchAnnotateFilesRequestOrBuilder
    *
    *
    * <pre>
-   * Individual async file annotation requests for this batch.
+   * Required. Individual async file annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.AsyncAnnotateFileRequestOrBuilder getRequestsOrBuilder(int index);
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateImagesRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateImagesRequest.java
index 0f88f2d834c3..21708780eed0 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateImagesRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateImagesRequest.java
@@ -131,10 +131,12 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest> getRequestsList() {
     return requests_;
@@ -143,10 +145,12 @@ public java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest> getReques
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public java.util.List<? extends com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder>
       getRequestsOrBuilderList() {
@@ -156,10 +160,12 @@ public java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest> getReques
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public int getRequestsCount() {
     return requests_.size();
@@ -168,10 +174,12 @@ public int getRequestsCount() {
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.AnnotateImageRequest getRequests(int index) {
     return requests_.get(index);
@@ -180,10 +188,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequest getRequests(int index) {
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder getRequestsOrBuilder(int index) {
     return requests_.get(index);
@@ -198,7 +208,9 @@ public com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder getRequestsOrBui
    * Required. The desired output location and metadata (e.g. format).
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public boolean hasOutputConfig() {
     return outputConfig_ != null;
@@ -210,7 +222,9 @@ public boolean hasOutputConfig() {
    * Required. The desired output location and metadata (e.g. format).
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.OutputConfig getOutputConfig() {
     return outputConfig_ == null
@@ -224,7 +238,9 @@ public com.google.cloud.vision.v1.OutputConfig getOutputConfig() {
    * Required. The desired output location and metadata (e.g. format).
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.OutputConfigOrBuilder getOutputConfigOrBuilder() {
     return getOutputConfig();
@@ -715,10 +731,12 @@ private void ensureRequestsIsMutable() {
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest> getRequestsList() {
       if (requestsBuilder_ == null) {
@@ -731,10 +749,12 @@ public java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest> getReques
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public int getRequestsCount() {
       if (requestsBuilder_ == null) {
@@ -747,10 +767,12 @@ public int getRequestsCount() {
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateImageRequest getRequests(int index) {
       if (requestsBuilder_ == null) {
@@ -763,10 +785,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequest getRequests(int index) {
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setRequests(int index, com.google.cloud.vision.v1.AnnotateImageRequest value) {
       if (requestsBuilder_ == null) {
@@ -785,10 +809,12 @@ public Builder setRequests(int index, com.google.cloud.vision.v1.AnnotateImageRe
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setRequests(
         int index, com.google.cloud.vision.v1.AnnotateImageRequest.Builder builderForValue) {
@@ -805,10 +831,12 @@ public Builder setRequests(
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(com.google.cloud.vision.v1.AnnotateImageRequest value) {
       if (requestsBuilder_ == null) {
@@ -827,10 +855,12 @@ public Builder addRequests(com.google.cloud.vision.v1.AnnotateImageRequest value
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(int index, com.google.cloud.vision.v1.AnnotateImageRequest value) {
       if (requestsBuilder_ == null) {
@@ -849,10 +879,12 @@ public Builder addRequests(int index, com.google.cloud.vision.v1.AnnotateImageRe
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(
         com.google.cloud.vision.v1.AnnotateImageRequest.Builder builderForValue) {
@@ -869,10 +901,12 @@ public Builder addRequests(
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(
         int index, com.google.cloud.vision.v1.AnnotateImageRequest.Builder builderForValue) {
@@ -889,10 +923,12 @@ public Builder addRequests(
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addAllRequests(
         java.lang.Iterable<? extends com.google.cloud.vision.v1.AnnotateImageRequest> values) {
@@ -909,10 +945,12 @@ public Builder addAllRequests(
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder clearRequests() {
       if (requestsBuilder_ == null) {
@@ -928,10 +966,12 @@ public Builder clearRequests() {
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder removeRequests(int index) {
       if (requestsBuilder_ == null) {
@@ -947,10 +987,12 @@ public Builder removeRequests(int index) {
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateImageRequest.Builder getRequestsBuilder(int index) {
       return getRequestsFieldBuilder().getBuilder(index);
@@ -959,10 +1001,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequest.Builder getRequestsBuilde
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder getRequestsOrBuilder(
         int index) {
@@ -976,10 +1020,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder getRequestsOrBui
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public java.util.List<? extends com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder>
         getRequestsOrBuilderList() {
@@ -993,10 +1039,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder getRequestsOrBui
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateImageRequest.Builder addRequestsBuilder() {
       return getRequestsFieldBuilder()
@@ -1006,10 +1054,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequest.Builder addRequestsBuilde
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateImageRequest.Builder addRequestsBuilder(int index) {
       return getRequestsFieldBuilder()
@@ -1019,10 +1069,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequest.Builder addRequestsBuilde
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest.Builder>
         getRequestsBuilderList() {
@@ -1059,7 +1111,9 @@ public com.google.cloud.vision.v1.AnnotateImageRequest.Builder addRequestsBuilde
      * Required. The desired output location and metadata (e.g. format).
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public boolean hasOutputConfig() {
       return outputConfigBuilder_ != null || outputConfig_ != null;
@@ -1071,7 +1125,9 @@ public boolean hasOutputConfig() {
      * Required. The desired output location and metadata (e.g. format).
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.OutputConfig getOutputConfig() {
       if (outputConfigBuilder_ == null) {
@@ -1089,7 +1145,9 @@ public com.google.cloud.vision.v1.OutputConfig getOutputConfig() {
      * Required. The desired output location and metadata (e.g. format).
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setOutputConfig(com.google.cloud.vision.v1.OutputConfig value) {
       if (outputConfigBuilder_ == null) {
@@ -1111,7 +1169,9 @@ public Builder setOutputConfig(com.google.cloud.vision.v1.OutputConfig value) {
      * Required. The desired output location and metadata (e.g. format).
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setOutputConfig(
         com.google.cloud.vision.v1.OutputConfig.Builder builderForValue) {
@@ -1131,7 +1191,9 @@ public Builder setOutputConfig(
      * Required. The desired output location and metadata (e.g. format).
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder mergeOutputConfig(com.google.cloud.vision.v1.OutputConfig value) {
       if (outputConfigBuilder_ == null) {
@@ -1157,7 +1219,9 @@ public Builder mergeOutputConfig(com.google.cloud.vision.v1.OutputConfig value)
      * Required. The desired output location and metadata (e.g. format).
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder clearOutputConfig() {
       if (outputConfigBuilder_ == null) {
@@ -1177,7 +1241,9 @@ public Builder clearOutputConfig() {
      * Required. The desired output location and metadata (e.g. format).
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.OutputConfig.Builder getOutputConfigBuilder() {
 
@@ -1191,7 +1257,9 @@ public com.google.cloud.vision.v1.OutputConfig.Builder getOutputConfigBuilder()
      * Required. The desired output location and metadata (e.g. format).
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.OutputConfigOrBuilder getOutputConfigOrBuilder() {
       if (outputConfigBuilder_ != null) {
@@ -1209,7 +1277,9 @@ public com.google.cloud.vision.v1.OutputConfigOrBuilder getOutputConfigOrBuilder
      * Required. The desired output location and metadata (e.g. format).
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloud.vision.v1.OutputConfig,
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateImagesRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateImagesRequestOrBuilder.java
index 69beb6eca985..fe40a649e70e 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateImagesRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateImagesRequestOrBuilder.java
@@ -12,40 +12,48 @@ public interface AsyncBatchAnnotateImagesRequestOrBuilder
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest> getRequestsList();
   /**
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.AnnotateImageRequest getRequests(int index);
   /**
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   int getRequestsCount();
   /**
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   java.util.List<? extends com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder>
       getRequestsOrBuilderList();
@@ -53,10 +61,12 @@ public interface AsyncBatchAnnotateImagesRequestOrBuilder
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder getRequestsOrBuilder(int index);
 
@@ -67,7 +77,9 @@ public interface AsyncBatchAnnotateImagesRequestOrBuilder
    * Required. The desired output location and metadata (e.g. format).
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   boolean hasOutputConfig();
   /**
@@ -77,7 +89,9 @@ public interface AsyncBatchAnnotateImagesRequestOrBuilder
    * Required. The desired output location and metadata (e.g. format).
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.OutputConfig getOutputConfig();
   /**
@@ -87,7 +101,9 @@ public interface AsyncBatchAnnotateImagesRequestOrBuilder
    * Required. The desired output location and metadata (e.g. format).
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.OutputConfig output_config = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.OutputConfigOrBuilder getOutputConfigOrBuilder();
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateFilesRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateFilesRequest.java
index 1cdf80417802..2f70e290b2ea 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateFilesRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateFilesRequest.java
@@ -114,11 +114,13 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * The list of file annotation requests. Right now we support only one
+   * Required. The list of file annotation requests. Right now we support only one
    * AnnotateFileRequest in BatchAnnotateFilesRequest.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public java.util.List<com.google.cloud.vision.v1.AnnotateFileRequest> getRequestsList() {
     return requests_;
@@ -127,11 +129,13 @@ public java.util.List<com.google.cloud.vision.v1.AnnotateFileRequest> getRequest
    *
    *
    * <pre>
-   * The list of file annotation requests. Right now we support only one
+   * Required. The list of file annotation requests. Right now we support only one
    * AnnotateFileRequest in BatchAnnotateFilesRequest.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public java.util.List<? extends com.google.cloud.vision.v1.AnnotateFileRequestOrBuilder>
       getRequestsOrBuilderList() {
@@ -141,11 +145,13 @@ public java.util.List<com.google.cloud.vision.v1.AnnotateFileRequest> getRequest
    *
    *
    * <pre>
-   * The list of file annotation requests. Right now we support only one
+   * Required. The list of file annotation requests. Right now we support only one
    * AnnotateFileRequest in BatchAnnotateFilesRequest.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public int getRequestsCount() {
     return requests_.size();
@@ -154,11 +160,13 @@ public int getRequestsCount() {
    *
    *
    * <pre>
-   * The list of file annotation requests. Right now we support only one
+   * Required. The list of file annotation requests. Right now we support only one
    * AnnotateFileRequest in BatchAnnotateFilesRequest.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.AnnotateFileRequest getRequests(int index) {
     return requests_.get(index);
@@ -167,11 +175,13 @@ public com.google.cloud.vision.v1.AnnotateFileRequest getRequests(int index) {
    *
    *
    * <pre>
-   * The list of file annotation requests. Right now we support only one
+   * Required. The list of file annotation requests. Right now we support only one
    * AnnotateFileRequest in BatchAnnotateFilesRequest.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.AnnotateFileRequestOrBuilder getRequestsOrBuilder(int index) {
     return requests_.get(index);
@@ -633,11 +643,13 @@ private void ensureRequestsIsMutable() {
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public java.util.List<com.google.cloud.vision.v1.AnnotateFileRequest> getRequestsList() {
       if (requestsBuilder_ == null) {
@@ -650,11 +662,13 @@ public java.util.List<com.google.cloud.vision.v1.AnnotateFileRequest> getRequest
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public int getRequestsCount() {
       if (requestsBuilder_ == null) {
@@ -667,11 +681,13 @@ public int getRequestsCount() {
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateFileRequest getRequests(int index) {
       if (requestsBuilder_ == null) {
@@ -684,11 +700,13 @@ public com.google.cloud.vision.v1.AnnotateFileRequest getRequests(int index) {
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setRequests(int index, com.google.cloud.vision.v1.AnnotateFileRequest value) {
       if (requestsBuilder_ == null) {
@@ -707,11 +725,13 @@ public Builder setRequests(int index, com.google.cloud.vision.v1.AnnotateFileReq
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setRequests(
         int index, com.google.cloud.vision.v1.AnnotateFileRequest.Builder builderForValue) {
@@ -728,11 +748,13 @@ public Builder setRequests(
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(com.google.cloud.vision.v1.AnnotateFileRequest value) {
       if (requestsBuilder_ == null) {
@@ -751,11 +773,13 @@ public Builder addRequests(com.google.cloud.vision.v1.AnnotateFileRequest value)
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(int index, com.google.cloud.vision.v1.AnnotateFileRequest value) {
       if (requestsBuilder_ == null) {
@@ -774,11 +798,13 @@ public Builder addRequests(int index, com.google.cloud.vision.v1.AnnotateFileReq
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(
         com.google.cloud.vision.v1.AnnotateFileRequest.Builder builderForValue) {
@@ -795,11 +821,13 @@ public Builder addRequests(
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(
         int index, com.google.cloud.vision.v1.AnnotateFileRequest.Builder builderForValue) {
@@ -816,11 +844,13 @@ public Builder addRequests(
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addAllRequests(
         java.lang.Iterable<? extends com.google.cloud.vision.v1.AnnotateFileRequest> values) {
@@ -837,11 +867,13 @@ public Builder addAllRequests(
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder clearRequests() {
       if (requestsBuilder_ == null) {
@@ -857,11 +889,13 @@ public Builder clearRequests() {
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder removeRequests(int index) {
       if (requestsBuilder_ == null) {
@@ -877,11 +911,13 @@ public Builder removeRequests(int index) {
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateFileRequest.Builder getRequestsBuilder(int index) {
       return getRequestsFieldBuilder().getBuilder(index);
@@ -890,11 +926,13 @@ public com.google.cloud.vision.v1.AnnotateFileRequest.Builder getRequestsBuilder
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateFileRequestOrBuilder getRequestsOrBuilder(int index) {
       if (requestsBuilder_ == null) {
@@ -907,11 +945,13 @@ public com.google.cloud.vision.v1.AnnotateFileRequestOrBuilder getRequestsOrBuil
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public java.util.List<? extends com.google.cloud.vision.v1.AnnotateFileRequestOrBuilder>
         getRequestsOrBuilderList() {
@@ -925,11 +965,13 @@ public com.google.cloud.vision.v1.AnnotateFileRequestOrBuilder getRequestsOrBuil
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateFileRequest.Builder addRequestsBuilder() {
       return getRequestsFieldBuilder()
@@ -939,11 +981,13 @@ public com.google.cloud.vision.v1.AnnotateFileRequest.Builder addRequestsBuilder
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateFileRequest.Builder addRequestsBuilder(int index) {
       return getRequestsFieldBuilder()
@@ -953,11 +997,13 @@ public com.google.cloud.vision.v1.AnnotateFileRequest.Builder addRequestsBuilder
      *
      *
      * <pre>
-     * The list of file annotation requests. Right now we support only one
+     * Required. The list of file annotation requests. Right now we support only one
      * AnnotateFileRequest in BatchAnnotateFilesRequest.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public java.util.List<com.google.cloud.vision.v1.AnnotateFileRequest.Builder>
         getRequestsBuilderList() {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateFilesRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateFilesRequestOrBuilder.java
index e3bfcf626a68..e8cf2cc18509 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateFilesRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateFilesRequestOrBuilder.java
@@ -12,44 +12,52 @@ public interface BatchAnnotateFilesRequestOrBuilder
    *
    *
    * <pre>
-   * The list of file annotation requests. Right now we support only one
+   * Required. The list of file annotation requests. Right now we support only one
    * AnnotateFileRequest in BatchAnnotateFilesRequest.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   java.util.List<com.google.cloud.vision.v1.AnnotateFileRequest> getRequestsList();
   /**
    *
    *
    * <pre>
-   * The list of file annotation requests. Right now we support only one
+   * Required. The list of file annotation requests. Right now we support only one
    * AnnotateFileRequest in BatchAnnotateFilesRequest.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.AnnotateFileRequest getRequests(int index);
   /**
    *
    *
    * <pre>
-   * The list of file annotation requests. Right now we support only one
+   * Required. The list of file annotation requests. Right now we support only one
    * AnnotateFileRequest in BatchAnnotateFilesRequest.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   int getRequestsCount();
   /**
    *
    *
    * <pre>
-   * The list of file annotation requests. Right now we support only one
+   * Required. The list of file annotation requests. Right now we support only one
    * AnnotateFileRequest in BatchAnnotateFilesRequest.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   java.util.List<? extends com.google.cloud.vision.v1.AnnotateFileRequestOrBuilder>
       getRequestsOrBuilderList();
@@ -57,11 +65,13 @@ public interface BatchAnnotateFilesRequestOrBuilder
    *
    *
    * <pre>
-   * The list of file annotation requests. Right now we support only one
+   * Required. The list of file annotation requests. Right now we support only one
    * AnnotateFileRequest in BatchAnnotateFilesRequest.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.AnnotateFileRequestOrBuilder getRequestsOrBuilder(int index);
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateImagesRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateImagesRequest.java
index 30973318893d..4a47febdc31b 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateImagesRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateImagesRequest.java
@@ -114,10 +114,12 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest> getRequestsList() {
     return requests_;
@@ -126,10 +128,12 @@ public java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest> getReques
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public java.util.List<? extends com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder>
       getRequestsOrBuilderList() {
@@ -139,10 +143,12 @@ public java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest> getReques
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public int getRequestsCount() {
     return requests_.size();
@@ -151,10 +157,12 @@ public int getRequestsCount() {
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.AnnotateImageRequest getRequests(int index) {
     return requests_.get(index);
@@ -163,10 +171,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequest getRequests(int index) {
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder getRequestsOrBuilder(int index) {
     return requests_.get(index);
@@ -629,10 +639,12 @@ private void ensureRequestsIsMutable() {
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest> getRequestsList() {
       if (requestsBuilder_ == null) {
@@ -645,10 +657,12 @@ public java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest> getReques
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public int getRequestsCount() {
       if (requestsBuilder_ == null) {
@@ -661,10 +675,12 @@ public int getRequestsCount() {
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateImageRequest getRequests(int index) {
       if (requestsBuilder_ == null) {
@@ -677,10 +693,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequest getRequests(int index) {
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setRequests(int index, com.google.cloud.vision.v1.AnnotateImageRequest value) {
       if (requestsBuilder_ == null) {
@@ -699,10 +717,12 @@ public Builder setRequests(int index, com.google.cloud.vision.v1.AnnotateImageRe
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setRequests(
         int index, com.google.cloud.vision.v1.AnnotateImageRequest.Builder builderForValue) {
@@ -719,10 +739,12 @@ public Builder setRequests(
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(com.google.cloud.vision.v1.AnnotateImageRequest value) {
       if (requestsBuilder_ == null) {
@@ -741,10 +763,12 @@ public Builder addRequests(com.google.cloud.vision.v1.AnnotateImageRequest value
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(int index, com.google.cloud.vision.v1.AnnotateImageRequest value) {
       if (requestsBuilder_ == null) {
@@ -763,10 +787,12 @@ public Builder addRequests(int index, com.google.cloud.vision.v1.AnnotateImageRe
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(
         com.google.cloud.vision.v1.AnnotateImageRequest.Builder builderForValue) {
@@ -783,10 +809,12 @@ public Builder addRequests(
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addRequests(
         int index, com.google.cloud.vision.v1.AnnotateImageRequest.Builder builderForValue) {
@@ -803,10 +831,12 @@ public Builder addRequests(
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder addAllRequests(
         java.lang.Iterable<? extends com.google.cloud.vision.v1.AnnotateImageRequest> values) {
@@ -823,10 +853,12 @@ public Builder addAllRequests(
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder clearRequests() {
       if (requestsBuilder_ == null) {
@@ -842,10 +874,12 @@ public Builder clearRequests() {
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder removeRequests(int index) {
       if (requestsBuilder_ == null) {
@@ -861,10 +895,12 @@ public Builder removeRequests(int index) {
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateImageRequest.Builder getRequestsBuilder(int index) {
       return getRequestsFieldBuilder().getBuilder(index);
@@ -873,10 +909,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequest.Builder getRequestsBuilde
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder getRequestsOrBuilder(
         int index) {
@@ -890,10 +928,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder getRequestsOrBui
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public java.util.List<? extends com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder>
         getRequestsOrBuilderList() {
@@ -907,10 +947,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder getRequestsOrBui
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateImageRequest.Builder addRequestsBuilder() {
       return getRequestsFieldBuilder()
@@ -920,10 +962,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequest.Builder addRequestsBuilde
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.AnnotateImageRequest.Builder addRequestsBuilder(int index) {
       return getRequestsFieldBuilder()
@@ -933,10 +977,12 @@ public com.google.cloud.vision.v1.AnnotateImageRequest.Builder addRequestsBuilde
      *
      *
      * <pre>
-     * Individual image annotation requests for this batch.
+     * Required. Individual image annotation requests for this batch.
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest.Builder>
         getRequestsBuilderList() {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateImagesRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateImagesRequestOrBuilder.java
index f2c813e1111d..c8d1b4ce2b89 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateImagesRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateImagesRequestOrBuilder.java
@@ -12,40 +12,48 @@ public interface BatchAnnotateImagesRequestOrBuilder
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   java.util.List<com.google.cloud.vision.v1.AnnotateImageRequest> getRequestsList();
   /**
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.AnnotateImageRequest getRequests(int index);
   /**
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   int getRequestsCount();
   /**
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   java.util.List<? extends com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder>
       getRequestsOrBuilderList();
@@ -53,10 +61,12 @@ public interface BatchAnnotateImagesRequestOrBuilder
    *
    *
    * <pre>
-   * Individual image annotation requests for this batch.
+   * Required. Individual image annotation requests for this batch.
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.AnnotateImageRequestOrBuilder getRequestsOrBuilder(int index);
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchOperationMetadata.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchOperationMetadata.java
index e7b6d34a63e7..c9ac4d5148d7 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchOperationMetadata.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchOperationMetadata.java
@@ -398,8 +398,7 @@ public com.google.protobuf.TimestampOrBuilder getSubmitTimeOrBuilder() {
    *
    * <pre>
    * The time when the batch request is finished and
-   * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-   * set to true.
+   * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp end_time = 3;</code>
@@ -412,8 +411,7 @@ public boolean hasEndTime() {
    *
    * <pre>
    * The time when the batch request is finished and
-   * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-   * set to true.
+   * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp end_time = 3;</code>
@@ -426,8 +424,7 @@ public com.google.protobuf.Timestamp getEndTime() {
    *
    * <pre>
    * The time when the batch request is finished and
-   * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-   * set to true.
+   * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp end_time = 3;</code>
@@ -1081,8 +1078,7 @@ public com.google.protobuf.TimestampOrBuilder getSubmitTimeOrBuilder() {
      *
      * <pre>
      * The time when the batch request is finished and
-     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-     * set to true.
+     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
      * </pre>
      *
      * <code>.google.protobuf.Timestamp end_time = 3;</code>
@@ -1095,8 +1091,7 @@ public boolean hasEndTime() {
      *
      * <pre>
      * The time when the batch request is finished and
-     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-     * set to true.
+     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
      * </pre>
      *
      * <code>.google.protobuf.Timestamp end_time = 3;</code>
@@ -1113,8 +1108,7 @@ public com.google.protobuf.Timestamp getEndTime() {
      *
      * <pre>
      * The time when the batch request is finished and
-     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-     * set to true.
+     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
      * </pre>
      *
      * <code>.google.protobuf.Timestamp end_time = 3;</code>
@@ -1137,8 +1131,7 @@ public Builder setEndTime(com.google.protobuf.Timestamp value) {
      *
      * <pre>
      * The time when the batch request is finished and
-     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-     * set to true.
+     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
      * </pre>
      *
      * <code>.google.protobuf.Timestamp end_time = 3;</code>
@@ -1158,8 +1151,7 @@ public Builder setEndTime(com.google.protobuf.Timestamp.Builder builderForValue)
      *
      * <pre>
      * The time when the batch request is finished and
-     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-     * set to true.
+     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
      * </pre>
      *
      * <code>.google.protobuf.Timestamp end_time = 3;</code>
@@ -1184,8 +1176,7 @@ public Builder mergeEndTime(com.google.protobuf.Timestamp value) {
      *
      * <pre>
      * The time when the batch request is finished and
-     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-     * set to true.
+     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
      * </pre>
      *
      * <code>.google.protobuf.Timestamp end_time = 3;</code>
@@ -1206,8 +1197,7 @@ public Builder clearEndTime() {
      *
      * <pre>
      * The time when the batch request is finished and
-     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-     * set to true.
+     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
      * </pre>
      *
      * <code>.google.protobuf.Timestamp end_time = 3;</code>
@@ -1222,8 +1212,7 @@ public com.google.protobuf.Timestamp.Builder getEndTimeBuilder() {
      *
      * <pre>
      * The time when the batch request is finished and
-     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-     * set to true.
+     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
      * </pre>
      *
      * <code>.google.protobuf.Timestamp end_time = 3;</code>
@@ -1240,8 +1229,7 @@ public com.google.protobuf.TimestampOrBuilder getEndTimeOrBuilder() {
      *
      * <pre>
      * The time when the batch request is finished and
-     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-     * set to true.
+     * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
      * </pre>
      *
      * <code>.google.protobuf.Timestamp end_time = 3;</code>
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchOperationMetadataOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchOperationMetadataOrBuilder.java
index 83302fca2bdc..f663777e1d70 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchOperationMetadataOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchOperationMetadataOrBuilder.java
@@ -65,8 +65,7 @@ public interface BatchOperationMetadataOrBuilder
    *
    * <pre>
    * The time when the batch request is finished and
-   * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-   * set to true.
+   * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp end_time = 3;</code>
@@ -77,8 +76,7 @@ public interface BatchOperationMetadataOrBuilder
    *
    * <pre>
    * The time when the batch request is finished and
-   * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-   * set to true.
+   * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp end_time = 3;</code>
@@ -89,8 +87,7 @@ public interface BatchOperationMetadataOrBuilder
    *
    * <pre>
    * The time when the batch request is finished and
-   * [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-   * set to true.
+   * [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp end_time = 3;</code>
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductRequest.java
index da9ba645f905..2339ceebb137 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductRequest.java
@@ -120,12 +120,14 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * The project in which the Product should be created.
+   * Required. The project in which the Product should be created.
    * Format is
    * `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getParent() {
     java.lang.Object ref = parent_;
@@ -142,12 +144,14 @@ public java.lang.String getParent() {
    *
    *
    * <pre>
-   * The project in which the Product should be created.
+   * Required. The project in which the Product should be created.
    * Format is
    * `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getParentBytes() {
     java.lang.Object ref = parent_;
@@ -167,10 +171,11 @@ public com.google.protobuf.ByteString getParentBytes() {
    *
    *
    * <pre>
-   * The product to create.
+   * Required. The product to create.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.Product product = 2;</code>
+   * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public boolean hasProduct() {
     return product_ != null;
@@ -179,10 +184,11 @@ public boolean hasProduct() {
    *
    *
    * <pre>
-   * The product to create.
+   * Required. The product to create.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.Product product = 2;</code>
+   * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.Product getProduct() {
     return product_ == null ? com.google.cloud.vision.v1.Product.getDefaultInstance() : product_;
@@ -191,10 +197,11 @@ public com.google.cloud.vision.v1.Product getProduct() {
    *
    *
    * <pre>
-   * The product to create.
+   * Required. The product to create.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.Product product = 2;</code>
+   * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.ProductOrBuilder getProductOrBuilder() {
     return getProduct();
@@ -615,12 +622,14 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The project in which the Product should be created.
+     * Required. The project in which the Product should be created.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getParent() {
       java.lang.Object ref = parent_;
@@ -637,12 +646,14 @@ public java.lang.String getParent() {
      *
      *
      * <pre>
-     * The project in which the Product should be created.
+     * Required. The project in which the Product should be created.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getParentBytes() {
       java.lang.Object ref = parent_;
@@ -659,12 +670,14 @@ public com.google.protobuf.ByteString getParentBytes() {
      *
      *
      * <pre>
-     * The project in which the Product should be created.
+     * Required. The project in which the Product should be created.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParent(java.lang.String value) {
       if (value == null) {
@@ -679,12 +692,14 @@ public Builder setParent(java.lang.String value) {
      *
      *
      * <pre>
-     * The project in which the Product should be created.
+     * Required. The project in which the Product should be created.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearParent() {
 
@@ -696,12 +711,14 @@ public Builder clearParent() {
      *
      *
      * <pre>
-     * The project in which the Product should be created.
+     * Required. The project in which the Product should be created.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParentBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
@@ -724,10 +741,11 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The product to create.
+     * Required. The product to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 2;</code>
+     * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public boolean hasProduct() {
       return productBuilder_ != null || product_ != null;
@@ -736,10 +754,11 @@ public boolean hasProduct() {
      *
      *
      * <pre>
-     * The product to create.
+     * Required. The product to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 2;</code>
+     * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.Product getProduct() {
       if (productBuilder_ == null) {
@@ -754,10 +773,11 @@ public com.google.cloud.vision.v1.Product getProduct() {
      *
      *
      * <pre>
-     * The product to create.
+     * Required. The product to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 2;</code>
+     * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setProduct(com.google.cloud.vision.v1.Product value) {
       if (productBuilder_ == null) {
@@ -776,10 +796,11 @@ public Builder setProduct(com.google.cloud.vision.v1.Product value) {
      *
      *
      * <pre>
-     * The product to create.
+     * Required. The product to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 2;</code>
+     * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setProduct(com.google.cloud.vision.v1.Product.Builder builderForValue) {
       if (productBuilder_ == null) {
@@ -795,10 +816,11 @@ public Builder setProduct(com.google.cloud.vision.v1.Product.Builder builderForV
      *
      *
      * <pre>
-     * The product to create.
+     * Required. The product to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 2;</code>
+     * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder mergeProduct(com.google.cloud.vision.v1.Product value) {
       if (productBuilder_ == null) {
@@ -821,10 +843,11 @@ public Builder mergeProduct(com.google.cloud.vision.v1.Product value) {
      *
      *
      * <pre>
-     * The product to create.
+     * Required. The product to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 2;</code>
+     * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder clearProduct() {
       if (productBuilder_ == null) {
@@ -841,10 +864,11 @@ public Builder clearProduct() {
      *
      *
      * <pre>
-     * The product to create.
+     * Required. The product to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 2;</code>
+     * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.Product.Builder getProductBuilder() {
 
@@ -855,10 +879,11 @@ public com.google.cloud.vision.v1.Product.Builder getProductBuilder() {
      *
      *
      * <pre>
-     * The product to create.
+     * Required. The product to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 2;</code>
+     * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ProductOrBuilder getProductOrBuilder() {
       if (productBuilder_ != null) {
@@ -873,10 +898,11 @@ public com.google.cloud.vision.v1.ProductOrBuilder getProductOrBuilder() {
      *
      *
      * <pre>
-     * The product to create.
+     * Required. The product to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 2;</code>
+     * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloud.vision.v1.Product,
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductRequestOrBuilder.java
index edfe76e69488..049be9b119f8 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductRequestOrBuilder.java
@@ -12,24 +12,28 @@ public interface CreateProductRequestOrBuilder
    *
    *
    * <pre>
-   * The project in which the Product should be created.
+   * Required. The project in which the Product should be created.
    * Format is
    * `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getParent();
   /**
    *
    *
    * <pre>
-   * The project in which the Product should be created.
+   * Required. The project in which the Product should be created.
    * Format is
    * `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getParentBytes();
 
@@ -37,30 +41,33 @@ public interface CreateProductRequestOrBuilder
    *
    *
    * <pre>
-   * The product to create.
+   * Required. The product to create.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.Product product = 2;</code>
+   * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   boolean hasProduct();
   /**
    *
    *
    * <pre>
-   * The product to create.
+   * Required. The product to create.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.Product product = 2;</code>
+   * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.Product getProduct();
   /**
    *
    *
    * <pre>
-   * The product to create.
+   * Required. The product to create.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.Product product = 2;</code>
+   * <code>.google.cloud.vision.v1.Product product = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.ProductOrBuilder getProductOrBuilder();
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductSetRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductSetRequest.java
index 10f3d0c0c800..49e7775dd697 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductSetRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductSetRequest.java
@@ -121,11 +121,13 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * The project in which the ProductSet should be created.
+   * Required. The project in which the ProductSet should be created.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getParent() {
     java.lang.Object ref = parent_;
@@ -142,11 +144,13 @@ public java.lang.String getParent() {
    *
    *
    * <pre>
-   * The project in which the ProductSet should be created.
+   * Required. The project in which the ProductSet should be created.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getParentBytes() {
     java.lang.Object ref = parent_;
@@ -166,10 +170,12 @@ public com.google.protobuf.ByteString getParentBytes() {
    *
    *
    * <pre>
-   * The ProductSet to create.
+   * Required. The ProductSet to create.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public boolean hasProductSet() {
     return productSet_ != null;
@@ -178,10 +184,12 @@ public boolean hasProductSet() {
    *
    *
    * <pre>
-   * The ProductSet to create.
+   * Required. The ProductSet to create.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.ProductSet getProductSet() {
     return productSet_ == null
@@ -192,10 +200,12 @@ public com.google.cloud.vision.v1.ProductSet getProductSet() {
    *
    *
    * <pre>
-   * The ProductSet to create.
+   * Required. The ProductSet to create.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.ProductSetOrBuilder getProductSetOrBuilder() {
     return getProductSet();
@@ -617,11 +627,13 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The project in which the ProductSet should be created.
+     * Required. The project in which the ProductSet should be created.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getParent() {
       java.lang.Object ref = parent_;
@@ -638,11 +650,13 @@ public java.lang.String getParent() {
      *
      *
      * <pre>
-     * The project in which the ProductSet should be created.
+     * Required. The project in which the ProductSet should be created.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getParentBytes() {
       java.lang.Object ref = parent_;
@@ -659,11 +673,13 @@ public com.google.protobuf.ByteString getParentBytes() {
      *
      *
      * <pre>
-     * The project in which the ProductSet should be created.
+     * Required. The project in which the ProductSet should be created.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParent(java.lang.String value) {
       if (value == null) {
@@ -678,11 +694,13 @@ public Builder setParent(java.lang.String value) {
      *
      *
      * <pre>
-     * The project in which the ProductSet should be created.
+     * Required. The project in which the ProductSet should be created.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearParent() {
 
@@ -694,11 +712,13 @@ public Builder clearParent() {
      *
      *
      * <pre>
-     * The project in which the ProductSet should be created.
+     * Required. The project in which the ProductSet should be created.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParentBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
@@ -721,10 +741,12 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The ProductSet to create.
+     * Required. The ProductSet to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public boolean hasProductSet() {
       return productSetBuilder_ != null || productSet_ != null;
@@ -733,10 +755,12 @@ public boolean hasProductSet() {
      *
      *
      * <pre>
-     * The ProductSet to create.
+     * Required. The ProductSet to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ProductSet getProductSet() {
       if (productSetBuilder_ == null) {
@@ -751,10 +775,12 @@ public com.google.cloud.vision.v1.ProductSet getProductSet() {
      *
      *
      * <pre>
-     * The ProductSet to create.
+     * Required. The ProductSet to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setProductSet(com.google.cloud.vision.v1.ProductSet value) {
       if (productSetBuilder_ == null) {
@@ -773,10 +799,12 @@ public Builder setProductSet(com.google.cloud.vision.v1.ProductSet value) {
      *
      *
      * <pre>
-     * The ProductSet to create.
+     * Required. The ProductSet to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setProductSet(com.google.cloud.vision.v1.ProductSet.Builder builderForValue) {
       if (productSetBuilder_ == null) {
@@ -792,10 +820,12 @@ public Builder setProductSet(com.google.cloud.vision.v1.ProductSet.Builder build
      *
      *
      * <pre>
-     * The ProductSet to create.
+     * Required. The ProductSet to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder mergeProductSet(com.google.cloud.vision.v1.ProductSet value) {
       if (productSetBuilder_ == null) {
@@ -818,10 +848,12 @@ public Builder mergeProductSet(com.google.cloud.vision.v1.ProductSet value) {
      *
      *
      * <pre>
-     * The ProductSet to create.
+     * Required. The ProductSet to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder clearProductSet() {
       if (productSetBuilder_ == null) {
@@ -838,10 +870,12 @@ public Builder clearProductSet() {
      *
      *
      * <pre>
-     * The ProductSet to create.
+     * Required. The ProductSet to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ProductSet.Builder getProductSetBuilder() {
 
@@ -852,10 +886,12 @@ public com.google.cloud.vision.v1.ProductSet.Builder getProductSetBuilder() {
      *
      *
      * <pre>
-     * The ProductSet to create.
+     * Required. The ProductSet to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ProductSetOrBuilder getProductSetOrBuilder() {
       if (productSetBuilder_ != null) {
@@ -870,10 +906,12 @@ public com.google.cloud.vision.v1.ProductSetOrBuilder getProductSetOrBuilder() {
      *
      *
      * <pre>
-     * The ProductSet to create.
+     * Required. The ProductSet to create.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloud.vision.v1.ProductSet,
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductSetRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductSetRequestOrBuilder.java
index e5e7640817fa..a0057ec48461 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductSetRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateProductSetRequestOrBuilder.java
@@ -12,22 +12,26 @@ public interface CreateProductSetRequestOrBuilder
    *
    *
    * <pre>
-   * The project in which the ProductSet should be created.
+   * Required. The project in which the ProductSet should be created.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getParent();
   /**
    *
    *
    * <pre>
-   * The project in which the ProductSet should be created.
+   * Required. The project in which the ProductSet should be created.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getParentBytes();
 
@@ -35,30 +39,36 @@ public interface CreateProductSetRequestOrBuilder
    *
    *
    * <pre>
-   * The ProductSet to create.
+   * Required. The ProductSet to create.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   boolean hasProductSet();
   /**
    *
    *
    * <pre>
-   * The ProductSet to create.
+   * Required. The ProductSet to create.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.ProductSet getProductSet();
   /**
    *
    *
    * <pre>
-   * The ProductSet to create.
+   * Required. The ProductSet to create.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ProductSet product_set = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ProductSet product_set = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.ProductSetOrBuilder getProductSetOrBuilder();
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateReferenceImageRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateReferenceImageRequest.java
index 1875cb6f52ff..049ba377844d 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateReferenceImageRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateReferenceImageRequest.java
@@ -121,12 +121,14 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Resource name of the product in which to create the reference image.
+   * Required. Resource name of the product in which to create the reference image.
    * Format is
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getParent() {
     java.lang.Object ref = parent_;
@@ -143,12 +145,14 @@ public java.lang.String getParent() {
    *
    *
    * <pre>
-   * Resource name of the product in which to create the reference image.
+   * Required. Resource name of the product in which to create the reference image.
    * Format is
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getParentBytes() {
     java.lang.Object ref = parent_;
@@ -168,11 +172,13 @@ public com.google.protobuf.ByteString getParentBytes() {
    *
    *
    * <pre>
-   * The reference image to create.
+   * Required. The reference image to create.
    * If an image ID is specified, it is ignored.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public boolean hasReferenceImage() {
     return referenceImage_ != null;
@@ -181,11 +187,13 @@ public boolean hasReferenceImage() {
    *
    *
    * <pre>
-   * The reference image to create.
+   * Required. The reference image to create.
    * If an image ID is specified, it is ignored.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.ReferenceImage getReferenceImage() {
     return referenceImage_ == null
@@ -196,11 +204,13 @@ public com.google.cloud.vision.v1.ReferenceImage getReferenceImage() {
    *
    *
    * <pre>
-   * The reference image to create.
+   * Required. The reference image to create.
    * If an image ID is specified, it is ignored.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.ReferenceImageOrBuilder getReferenceImageOrBuilder() {
     return getReferenceImage();
@@ -623,12 +633,14 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * Resource name of the product in which to create the reference image.
+     * Required. Resource name of the product in which to create the reference image.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getParent() {
       java.lang.Object ref = parent_;
@@ -645,12 +657,14 @@ public java.lang.String getParent() {
      *
      *
      * <pre>
-     * Resource name of the product in which to create the reference image.
+     * Required. Resource name of the product in which to create the reference image.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getParentBytes() {
       java.lang.Object ref = parent_;
@@ -667,12 +681,14 @@ public com.google.protobuf.ByteString getParentBytes() {
      *
      *
      * <pre>
-     * Resource name of the product in which to create the reference image.
+     * Required. Resource name of the product in which to create the reference image.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParent(java.lang.String value) {
       if (value == null) {
@@ -687,12 +703,14 @@ public Builder setParent(java.lang.String value) {
      *
      *
      * <pre>
-     * Resource name of the product in which to create the reference image.
+     * Required. Resource name of the product in which to create the reference image.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearParent() {
 
@@ -704,12 +722,14 @@ public Builder clearParent() {
      *
      *
      * <pre>
-     * Resource name of the product in which to create the reference image.
+     * Required. Resource name of the product in which to create the reference image.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParentBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
@@ -732,11 +752,13 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The reference image to create.
+     * Required. The reference image to create.
      * If an image ID is specified, it is ignored.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public boolean hasReferenceImage() {
       return referenceImageBuilder_ != null || referenceImage_ != null;
@@ -745,11 +767,13 @@ public boolean hasReferenceImage() {
      *
      *
      * <pre>
-     * The reference image to create.
+     * Required. The reference image to create.
      * If an image ID is specified, it is ignored.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ReferenceImage getReferenceImage() {
       if (referenceImageBuilder_ == null) {
@@ -764,11 +788,13 @@ public com.google.cloud.vision.v1.ReferenceImage getReferenceImage() {
      *
      *
      * <pre>
-     * The reference image to create.
+     * Required. The reference image to create.
      * If an image ID is specified, it is ignored.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setReferenceImage(com.google.cloud.vision.v1.ReferenceImage value) {
       if (referenceImageBuilder_ == null) {
@@ -787,11 +813,13 @@ public Builder setReferenceImage(com.google.cloud.vision.v1.ReferenceImage value
      *
      *
      * <pre>
-     * The reference image to create.
+     * Required. The reference image to create.
      * If an image ID is specified, it is ignored.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setReferenceImage(
         com.google.cloud.vision.v1.ReferenceImage.Builder builderForValue) {
@@ -808,11 +836,13 @@ public Builder setReferenceImage(
      *
      *
      * <pre>
-     * The reference image to create.
+     * Required. The reference image to create.
      * If an image ID is specified, it is ignored.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder mergeReferenceImage(com.google.cloud.vision.v1.ReferenceImage value) {
       if (referenceImageBuilder_ == null) {
@@ -835,11 +865,13 @@ public Builder mergeReferenceImage(com.google.cloud.vision.v1.ReferenceImage val
      *
      *
      * <pre>
-     * The reference image to create.
+     * Required. The reference image to create.
      * If an image ID is specified, it is ignored.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder clearReferenceImage() {
       if (referenceImageBuilder_ == null) {
@@ -856,11 +888,13 @@ public Builder clearReferenceImage() {
      *
      *
      * <pre>
-     * The reference image to create.
+     * Required. The reference image to create.
      * If an image ID is specified, it is ignored.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ReferenceImage.Builder getReferenceImageBuilder() {
 
@@ -871,11 +905,13 @@ public com.google.cloud.vision.v1.ReferenceImage.Builder getReferenceImageBuilde
      *
      *
      * <pre>
-     * The reference image to create.
+     * Required. The reference image to create.
      * If an image ID is specified, it is ignored.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ReferenceImageOrBuilder getReferenceImageOrBuilder() {
       if (referenceImageBuilder_ != null) {
@@ -890,11 +926,13 @@ public com.google.cloud.vision.v1.ReferenceImageOrBuilder getReferenceImageOrBui
      *
      *
      * <pre>
-     * The reference image to create.
+     * Required. The reference image to create.
      * If an image ID is specified, it is ignored.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloud.vision.v1.ReferenceImage,
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateReferenceImageRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateReferenceImageRequestOrBuilder.java
index fa862eed5da7..5bbe981ea36d 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateReferenceImageRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/CreateReferenceImageRequestOrBuilder.java
@@ -12,24 +12,28 @@ public interface CreateReferenceImageRequestOrBuilder
    *
    *
    * <pre>
-   * Resource name of the product in which to create the reference image.
+   * Required. Resource name of the product in which to create the reference image.
    * Format is
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getParent();
   /**
    *
    *
    * <pre>
-   * Resource name of the product in which to create the reference image.
+   * Required. Resource name of the product in which to create the reference image.
    * Format is
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getParentBytes();
 
@@ -37,33 +41,39 @@ public interface CreateReferenceImageRequestOrBuilder
    *
    *
    * <pre>
-   * The reference image to create.
+   * Required. The reference image to create.
    * If an image ID is specified, it is ignored.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   boolean hasReferenceImage();
   /**
    *
    *
    * <pre>
-   * The reference image to create.
+   * Required. The reference image to create.
    * If an image ID is specified, it is ignored.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.ReferenceImage getReferenceImage();
   /**
    *
    *
    * <pre>
-   * The reference image to create.
+   * Required. The reference image to create.
    * If an image ID is specified, it is ignored.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ReferenceImage reference_image = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.ReferenceImageOrBuilder getReferenceImageOrBuilder();
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductRequest.java
index cbef7c101df7..7edae1a8c918 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductRequest.java
@@ -97,12 +97,14 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Resource name of product to delete.
+   * Required. Resource name of product to delete.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getName() {
     java.lang.Object ref = name_;
@@ -119,12 +121,14 @@ public java.lang.String getName() {
    *
    *
    * <pre>
-   * Resource name of product to delete.
+   * Required. Resource name of product to delete.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getNameBytes() {
     java.lang.Object ref = name_;
@@ -460,12 +464,14 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * Resource name of product to delete.
+     * Required. Resource name of product to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
@@ -482,12 +488,14 @@ public java.lang.String getName() {
      *
      *
      * <pre>
-     * Resource name of product to delete.
+     * Required. Resource name of product to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getNameBytes() {
       java.lang.Object ref = name_;
@@ -504,12 +512,14 @@ public com.google.protobuf.ByteString getNameBytes() {
      *
      *
      * <pre>
-     * Resource name of product to delete.
+     * Required. Resource name of product to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setName(java.lang.String value) {
       if (value == null) {
@@ -524,12 +534,14 @@ public Builder setName(java.lang.String value) {
      *
      *
      * <pre>
-     * Resource name of product to delete.
+     * Required. Resource name of product to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearName() {
 
@@ -541,12 +553,14 @@ public Builder clearName() {
      *
      *
      * <pre>
-     * Resource name of product to delete.
+     * Required. Resource name of product to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setNameBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductRequestOrBuilder.java
index 3183b4f336f4..7c26d4b4d270 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductRequestOrBuilder.java
@@ -12,24 +12,28 @@ public interface DeleteProductRequestOrBuilder
    *
    *
    * <pre>
-   * Resource name of product to delete.
+   * Required. Resource name of product to delete.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getName();
   /**
    *
    *
    * <pre>
-   * Resource name of product to delete.
+   * Required. Resource name of product to delete.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getNameBytes();
 }
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductSetRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductSetRequest.java
index 9c8f4d84c62a..9526f0746c94 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductSetRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductSetRequest.java
@@ -97,12 +97,14 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Resource name of the ProductSet to delete.
+   * Required. Resource name of the ProductSet to delete.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getName() {
     java.lang.Object ref = name_;
@@ -119,12 +121,14 @@ public java.lang.String getName() {
    *
    *
    * <pre>
-   * Resource name of the ProductSet to delete.
+   * Required. Resource name of the ProductSet to delete.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getNameBytes() {
     java.lang.Object ref = name_;
@@ -461,12 +465,14 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * Resource name of the ProductSet to delete.
+     * Required. Resource name of the ProductSet to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
@@ -483,12 +489,14 @@ public java.lang.String getName() {
      *
      *
      * <pre>
-     * Resource name of the ProductSet to delete.
+     * Required. Resource name of the ProductSet to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getNameBytes() {
       java.lang.Object ref = name_;
@@ -505,12 +513,14 @@ public com.google.protobuf.ByteString getNameBytes() {
      *
      *
      * <pre>
-     * Resource name of the ProductSet to delete.
+     * Required. Resource name of the ProductSet to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setName(java.lang.String value) {
       if (value == null) {
@@ -525,12 +535,14 @@ public Builder setName(java.lang.String value) {
      *
      *
      * <pre>
-     * Resource name of the ProductSet to delete.
+     * Required. Resource name of the ProductSet to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearName() {
 
@@ -542,12 +554,14 @@ public Builder clearName() {
      *
      *
      * <pre>
-     * Resource name of the ProductSet to delete.
+     * Required. Resource name of the ProductSet to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setNameBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductSetRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductSetRequestOrBuilder.java
index 9465f8a64aba..2ae5aaa459e8 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductSetRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteProductSetRequestOrBuilder.java
@@ -12,24 +12,28 @@ public interface DeleteProductSetRequestOrBuilder
    *
    *
    * <pre>
-   * Resource name of the ProductSet to delete.
+   * Required. Resource name of the ProductSet to delete.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getName();
   /**
    *
    *
    * <pre>
-   * Resource name of the ProductSet to delete.
+   * Required. Resource name of the ProductSet to delete.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getNameBytes();
 }
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteReferenceImageRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteReferenceImageRequest.java
index b006f5312554..8710acc3dfc3 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteReferenceImageRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteReferenceImageRequest.java
@@ -97,12 +97,14 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * The resource name of the reference image to delete.
+   * Required. The resource name of the reference image to delete.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getName() {
     java.lang.Object ref = name_;
@@ -119,12 +121,14 @@ public java.lang.String getName() {
    *
    *
    * <pre>
-   * The resource name of the reference image to delete.
+   * Required. The resource name of the reference image to delete.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getNameBytes() {
     java.lang.Object ref = name_;
@@ -462,12 +466,14 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The resource name of the reference image to delete.
+     * Required. The resource name of the reference image to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
@@ -484,12 +490,14 @@ public java.lang.String getName() {
      *
      *
      * <pre>
-     * The resource name of the reference image to delete.
+     * Required. The resource name of the reference image to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getNameBytes() {
       java.lang.Object ref = name_;
@@ -506,12 +514,14 @@ public com.google.protobuf.ByteString getNameBytes() {
      *
      *
      * <pre>
-     * The resource name of the reference image to delete.
+     * Required. The resource name of the reference image to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setName(java.lang.String value) {
       if (value == null) {
@@ -526,12 +536,14 @@ public Builder setName(java.lang.String value) {
      *
      *
      * <pre>
-     * The resource name of the reference image to delete.
+     * Required. The resource name of the reference image to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearName() {
 
@@ -543,12 +555,14 @@ public Builder clearName() {
      *
      *
      * <pre>
-     * The resource name of the reference image to delete.
+     * Required. The resource name of the reference image to delete.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setNameBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteReferenceImageRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteReferenceImageRequestOrBuilder.java
index 9e8c4b666dab..1236923f8763 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteReferenceImageRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/DeleteReferenceImageRequestOrBuilder.java
@@ -12,24 +12,28 @@ public interface DeleteReferenceImageRequestOrBuilder
    *
    *
    * <pre>
-   * The resource name of the reference image to delete.
+   * Required. The resource name of the reference image to delete.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getName();
   /**
    *
    *
    * <pre>
-   * The resource name of the reference image to delete.
+   * Required. The resource name of the reference image to delete.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getNameBytes();
 }
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductRequest.java
index 250f50f07c75..0f61043e20e6 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductRequest.java
@@ -97,12 +97,14 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Resource name of the Product to get.
+   * Required. Resource name of the Product to get.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getName() {
     java.lang.Object ref = name_;
@@ -119,12 +121,14 @@ public java.lang.String getName() {
    *
    *
    * <pre>
-   * Resource name of the Product to get.
+   * Required. Resource name of the Product to get.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getNameBytes() {
     java.lang.Object ref = name_;
@@ -459,12 +463,14 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * Resource name of the Product to get.
+     * Required. Resource name of the Product to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
@@ -481,12 +487,14 @@ public java.lang.String getName() {
      *
      *
      * <pre>
-     * Resource name of the Product to get.
+     * Required. Resource name of the Product to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getNameBytes() {
       java.lang.Object ref = name_;
@@ -503,12 +511,14 @@ public com.google.protobuf.ByteString getNameBytes() {
      *
      *
      * <pre>
-     * Resource name of the Product to get.
+     * Required. Resource name of the Product to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setName(java.lang.String value) {
       if (value == null) {
@@ -523,12 +533,14 @@ public Builder setName(java.lang.String value) {
      *
      *
      * <pre>
-     * Resource name of the Product to get.
+     * Required. Resource name of the Product to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearName() {
 
@@ -540,12 +552,14 @@ public Builder clearName() {
      *
      *
      * <pre>
-     * Resource name of the Product to get.
+     * Required. Resource name of the Product to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setNameBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductRequestOrBuilder.java
index 05d2072121e8..7ed1133b50c6 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductRequestOrBuilder.java
@@ -12,24 +12,28 @@ public interface GetProductRequestOrBuilder
    *
    *
    * <pre>
-   * Resource name of the Product to get.
+   * Required. Resource name of the Product to get.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getName();
   /**
    *
    *
    * <pre>
-   * Resource name of the Product to get.
+   * Required. Resource name of the Product to get.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getNameBytes();
 }
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductSetRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductSetRequest.java
index a4a4eaa486e3..1c72f7abf1a7 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductSetRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductSetRequest.java
@@ -97,12 +97,14 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Resource name of the ProductSet to get.
+   * Required. Resource name of the ProductSet to get.
    * Format is:
    * `projects/PROJECT_ID/locations/LOG_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getName() {
     java.lang.Object ref = name_;
@@ -119,12 +121,14 @@ public java.lang.String getName() {
    *
    *
    * <pre>
-   * Resource name of the ProductSet to get.
+   * Required. Resource name of the ProductSet to get.
    * Format is:
    * `projects/PROJECT_ID/locations/LOG_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getNameBytes() {
     java.lang.Object ref = name_;
@@ -460,12 +464,14 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * Resource name of the ProductSet to get.
+     * Required. Resource name of the ProductSet to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOG_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
@@ -482,12 +488,14 @@ public java.lang.String getName() {
      *
      *
      * <pre>
-     * Resource name of the ProductSet to get.
+     * Required. Resource name of the ProductSet to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOG_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getNameBytes() {
       java.lang.Object ref = name_;
@@ -504,12 +512,14 @@ public com.google.protobuf.ByteString getNameBytes() {
      *
      *
      * <pre>
-     * Resource name of the ProductSet to get.
+     * Required. Resource name of the ProductSet to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOG_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setName(java.lang.String value) {
       if (value == null) {
@@ -524,12 +534,14 @@ public Builder setName(java.lang.String value) {
      *
      *
      * <pre>
-     * Resource name of the ProductSet to get.
+     * Required. Resource name of the ProductSet to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOG_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearName() {
 
@@ -541,12 +553,14 @@ public Builder clearName() {
      *
      *
      * <pre>
-     * Resource name of the ProductSet to get.
+     * Required. Resource name of the ProductSet to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOG_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setNameBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductSetRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductSetRequestOrBuilder.java
index 13e98bb001e3..c5f2e8e149e4 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductSetRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetProductSetRequestOrBuilder.java
@@ -12,24 +12,28 @@ public interface GetProductSetRequestOrBuilder
    *
    *
    * <pre>
-   * Resource name of the ProductSet to get.
+   * Required. Resource name of the ProductSet to get.
    * Format is:
    * `projects/PROJECT_ID/locations/LOG_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getName();
   /**
    *
    *
    * <pre>
-   * Resource name of the ProductSet to get.
+   * Required. Resource name of the ProductSet to get.
    * Format is:
    * `projects/PROJECT_ID/locations/LOG_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getNameBytes();
 }
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetReferenceImageRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetReferenceImageRequest.java
index 29565933e878..8a1b76dd4110 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetReferenceImageRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetReferenceImageRequest.java
@@ -97,12 +97,14 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * The resource name of the ReferenceImage to get.
+   * Required. The resource name of the ReferenceImage to get.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`.
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getName() {
     java.lang.Object ref = name_;
@@ -119,12 +121,14 @@ public java.lang.String getName() {
    *
    *
    * <pre>
-   * The resource name of the ReferenceImage to get.
+   * Required. The resource name of the ReferenceImage to get.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`.
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getNameBytes() {
     java.lang.Object ref = name_;
@@ -461,12 +465,14 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The resource name of the ReferenceImage to get.
+     * Required. The resource name of the ReferenceImage to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`.
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
@@ -483,12 +489,14 @@ public java.lang.String getName() {
      *
      *
      * <pre>
-     * The resource name of the ReferenceImage to get.
+     * Required. The resource name of the ReferenceImage to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`.
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getNameBytes() {
       java.lang.Object ref = name_;
@@ -505,12 +513,14 @@ public com.google.protobuf.ByteString getNameBytes() {
      *
      *
      * <pre>
-     * The resource name of the ReferenceImage to get.
+     * Required. The resource name of the ReferenceImage to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`.
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setName(java.lang.String value) {
       if (value == null) {
@@ -525,12 +535,14 @@ public Builder setName(java.lang.String value) {
      *
      *
      * <pre>
-     * The resource name of the ReferenceImage to get.
+     * Required. The resource name of the ReferenceImage to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`.
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearName() {
 
@@ -542,12 +554,14 @@ public Builder clearName() {
      *
      *
      * <pre>
-     * The resource name of the ReferenceImage to get.
+     * Required. The resource name of the ReferenceImage to get.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`.
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setNameBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetReferenceImageRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetReferenceImageRequestOrBuilder.java
index 950dfe84415a..d029b3bbcee6 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetReferenceImageRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/GetReferenceImageRequestOrBuilder.java
@@ -12,24 +12,28 @@ public interface GetReferenceImageRequestOrBuilder
    *
    *
    * <pre>
-   * The resource name of the ReferenceImage to get.
+   * Required. The resource name of the ReferenceImage to get.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`.
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getName();
   /**
    *
    *
    * <pre>
-   * The resource name of the ReferenceImage to get.
+   * Required. The resource name of the ReferenceImage to get.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`.
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getNameBytes();
 }
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImageAnnotatorProto.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImageAnnotatorProto.java
index 393772a1ce53..8b72ae1d6c6d 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImageAnnotatorProto.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImageAnnotatorProto.java
@@ -100,10 +100,6 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_vision_v1_AnnotateImageResponse_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_vision_v1_AnnotateImageResponse_fieldAccessorTable;
-  static final com.google.protobuf.Descriptors.Descriptor
-      internal_static_google_cloud_vision_v1_AnnotateFileResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-      internal_static_google_cloud_vision_v1_AnnotateFileResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vision_v1_BatchAnnotateImagesRequest_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
@@ -116,6 +112,10 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_vision_v1_AnnotateFileRequest_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_vision_v1_AnnotateFileRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vision_v1_AnnotateFileResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_vision_v1_AnnotateFileResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vision_v1_BatchAnnotateFilesRequest_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
@@ -180,241 +180,250 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
       "\n,google/cloud/vision/v1/image_annotator"
           + ".proto\022\026google.cloud.vision.v1\032\034google/a"
           + "pi/annotations.proto\032\027google/api/client."
-          + "proto\032%google/cloud/vision/v1/geometry.p"
-          + "roto\032+google/cloud/vision/v1/product_sea"
-          + "rch.proto\032,google/cloud/vision/v1/text_a"
-          + "nnotation.proto\032*google/cloud/vision/v1/"
-          + "web_detection.proto\032#google/longrunning/"
-          + "operations.proto\032 google/protobuf/field_"
-          + "mask.proto\032\037google/protobuf/timestamp.pr"
-          + "oto\032\027google/rpc/status.proto\032\027google/typ"
-          + "e/color.proto\032\030google/type/latlng.proto\""
-          + "\207\003\n\007Feature\0222\n\004type\030\001 \001(\0162$.google.cloud"
-          + ".vision.v1.Feature.Type\022\023\n\013max_results\030\002"
-          + " \001(\005\022\r\n\005model\030\003 \001(\t\"\243\002\n\004Type\022\024\n\020TYPE_UNS"
-          + "PECIFIED\020\000\022\022\n\016FACE_DETECTION\020\001\022\026\n\022LANDMA"
-          + "RK_DETECTION\020\002\022\022\n\016LOGO_DETECTION\020\003\022\023\n\017LA"
-          + "BEL_DETECTION\020\004\022\022\n\016TEXT_DETECTION\020\005\022\033\n\027D"
-          + "OCUMENT_TEXT_DETECTION\020\013\022\031\n\025SAFE_SEARCH_"
-          + "DETECTION\020\006\022\024\n\020IMAGE_PROPERTIES\020\007\022\016\n\nCRO"
-          + "P_HINTS\020\t\022\021\n\rWEB_DETECTION\020\n\022\022\n\016PRODUCT_"
-          + "SEARCH\020\014\022\027\n\023OBJECT_LOCALIZATION\020\023\"7\n\013Ima"
-          + "geSource\022\025\n\rgcs_image_uri\030\001 \001(\t\022\021\n\timage"
-          + "_uri\030\002 \001(\t\"M\n\005Image\022\017\n\007content\030\001 \001(\014\0223\n\006"
-          + "source\030\002 \001(\0132#.google.cloud.vision.v1.Im"
-          + "ageSource\"\307\r\n\016FaceAnnotation\022;\n\rbounding"
-          + "_poly\030\001 \001(\0132$.google.cloud.vision.v1.Bou"
-          + "ndingPoly\022>\n\020fd_bounding_poly\030\002 \001(\0132$.go"
-          + "ogle.cloud.vision.v1.BoundingPoly\022B\n\tlan"
-          + "dmarks\030\003 \003(\0132/.google.cloud.vision.v1.Fa"
-          + "ceAnnotation.Landmark\022\022\n\nroll_angle\030\004 \001("
-          + "\002\022\021\n\tpan_angle\030\005 \001(\002\022\022\n\ntilt_angle\030\006 \001(\002"
-          + "\022\034\n\024detection_confidence\030\007 \001(\002\022\036\n\026landma"
-          + "rking_confidence\030\010 \001(\002\022:\n\016joy_likelihood"
-          + "\030\t \001(\0162\".google.cloud.vision.v1.Likeliho"
-          + "od\022=\n\021sorrow_likelihood\030\n \001(\0162\".google.c"
-          + "loud.vision.v1.Likelihood\022<\n\020anger_likel"
-          + "ihood\030\013 \001(\0162\".google.cloud.vision.v1.Lik"
-          + "elihood\022?\n\023surprise_likelihood\030\014 \001(\0162\".g"
-          + "oogle.cloud.vision.v1.Likelihood\022D\n\030unde"
-          + "r_exposed_likelihood\030\r \001(\0162\".google.clou"
-          + "d.vision.v1.Likelihood\022>\n\022blurred_likeli"
-          + "hood\030\016 \001(\0162\".google.cloud.vision.v1.Like"
-          + "lihood\022?\n\023headwear_likelihood\030\017 \001(\0162\".go"
-          + "ogle.cloud.vision.v1.Likelihood\032\271\007\n\010Land"
-          + "mark\022B\n\004type\030\003 \001(\01624.google.cloud.vision"
-          + ".v1.FaceAnnotation.Landmark.Type\0222\n\010posi"
-          + "tion\030\004 \001(\0132 .google.cloud.vision.v1.Posi"
-          + "tion\"\264\006\n\004Type\022\024\n\020UNKNOWN_LANDMARK\020\000\022\014\n\010L"
-          + "EFT_EYE\020\001\022\r\n\tRIGHT_EYE\020\002\022\030\n\024LEFT_OF_LEFT"
-          + "_EYEBROW\020\003\022\031\n\025RIGHT_OF_LEFT_EYEBROW\020\004\022\031\n"
-          + "\025LEFT_OF_RIGHT_EYEBROW\020\005\022\032\n\026RIGHT_OF_RIG"
-          + "HT_EYEBROW\020\006\022\031\n\025MIDPOINT_BETWEEN_EYES\020\007\022"
-          + "\014\n\010NOSE_TIP\020\010\022\r\n\tUPPER_LIP\020\t\022\r\n\tLOWER_LI"
-          + "P\020\n\022\016\n\nMOUTH_LEFT\020\013\022\017\n\013MOUTH_RIGHT\020\014\022\020\n\014"
-          + "MOUTH_CENTER\020\r\022\025\n\021NOSE_BOTTOM_RIGHT\020\016\022\024\n"
-          + "\020NOSE_BOTTOM_LEFT\020\017\022\026\n\022NOSE_BOTTOM_CENTE"
-          + "R\020\020\022\031\n\025LEFT_EYE_TOP_BOUNDARY\020\021\022\031\n\025LEFT_E"
-          + "YE_RIGHT_CORNER\020\022\022\034\n\030LEFT_EYE_BOTTOM_BOU"
-          + "NDARY\020\023\022\030\n\024LEFT_EYE_LEFT_CORNER\020\024\022\032\n\026RIG"
-          + "HT_EYE_TOP_BOUNDARY\020\025\022\032\n\026RIGHT_EYE_RIGHT"
-          + "_CORNER\020\026\022\035\n\031RIGHT_EYE_BOTTOM_BOUNDARY\020\027"
-          + "\022\031\n\025RIGHT_EYE_LEFT_CORNER\020\030\022\037\n\033LEFT_EYEB"
-          + "ROW_UPPER_MIDPOINT\020\031\022 \n\034RIGHT_EYEBROW_UP"
-          + "PER_MIDPOINT\020\032\022\024\n\020LEFT_EAR_TRAGION\020\033\022\025\n\021"
-          + "RIGHT_EAR_TRAGION\020\034\022\022\n\016LEFT_EYE_PUPIL\020\035\022"
-          + "\023\n\017RIGHT_EYE_PUPIL\020\036\022\025\n\021FOREHEAD_GLABELL"
-          + "A\020\037\022\021\n\rCHIN_GNATHION\020 \022\024\n\020CHIN_LEFT_GONI"
-          + "ON\020!\022\025\n\021CHIN_RIGHT_GONION\020\"\"4\n\014LocationI"
-          + "nfo\022$\n\007lat_lng\030\001 \001(\0132\023.google.type.LatLn"
-          + "g\"=\n\010Property\022\014\n\004name\030\001 \001(\t\022\r\n\005value\030\002 \001"
-          + "(\t\022\024\n\014uint64_value\030\003 \001(\004\"\253\002\n\020EntityAnnot"
-          + "ation\022\013\n\003mid\030\001 \001(\t\022\016\n\006locale\030\002 \001(\t\022\023\n\013de"
-          + "scription\030\003 \001(\t\022\r\n\005score\030\004 \001(\002\022\026\n\nconfid"
-          + "ence\030\005 \001(\002B\002\030\001\022\022\n\ntopicality\030\006 \001(\002\022;\n\rbo"
-          + "unding_poly\030\007 \001(\0132$.google.cloud.vision."
-          + "v1.BoundingPoly\0227\n\tlocations\030\010 \003(\0132$.goo"
-          + "gle.cloud.vision.v1.LocationInfo\0224\n\nprop"
-          + "erties\030\t \003(\0132 .google.cloud.vision.v1.Pr"
-          + "operty\"\231\001\n\031LocalizedObjectAnnotation\022\013\n\003"
-          + "mid\030\001 \001(\t\022\025\n\rlanguage_code\030\002 \001(\t\022\014\n\004name"
-          + "\030\003 \001(\t\022\r\n\005score\030\004 \001(\002\022;\n\rbounding_poly\030\005"
+          + "proto\032\037google/api/field_behavior.proto\032%"
+          + "google/cloud/vision/v1/geometry.proto\032+g"
+          + "oogle/cloud/vision/v1/product_search.pro"
+          + "to\032,google/cloud/vision/v1/text_annotati"
+          + "on.proto\032*google/cloud/vision/v1/web_det"
+          + "ection.proto\032#google/longrunning/operati"
+          + "ons.proto\032 google/protobuf/field_mask.pr"
+          + "oto\032\037google/protobuf/timestamp.proto\032\027go"
+          + "ogle/rpc/status.proto\032\027google/type/color"
+          + ".proto\032\030google/type/latlng.proto\"\207\003\n\007Fea"
+          + "ture\0222\n\004type\030\001 \001(\0162$.google.cloud.vision"
+          + ".v1.Feature.Type\022\023\n\013max_results\030\002 \001(\005\022\r\n"
+          + "\005model\030\003 \001(\t\"\243\002\n\004Type\022\024\n\020TYPE_UNSPECIFIE"
+          + "D\020\000\022\022\n\016FACE_DETECTION\020\001\022\026\n\022LANDMARK_DETE"
+          + "CTION\020\002\022\022\n\016LOGO_DETECTION\020\003\022\023\n\017LABEL_DET"
+          + "ECTION\020\004\022\022\n\016TEXT_DETECTION\020\005\022\033\n\027DOCUMENT"
+          + "_TEXT_DETECTION\020\013\022\031\n\025SAFE_SEARCH_DETECTI"
+          + "ON\020\006\022\024\n\020IMAGE_PROPERTIES\020\007\022\016\n\nCROP_HINTS"
+          + "\020\t\022\021\n\rWEB_DETECTION\020\n\022\022\n\016PRODUCT_SEARCH\020"
+          + "\014\022\027\n\023OBJECT_LOCALIZATION\020\023\"7\n\013ImageSourc"
+          + "e\022\025\n\rgcs_image_uri\030\001 \001(\t\022\021\n\timage_uri\030\002 "
+          + "\001(\t\"M\n\005Image\022\017\n\007content\030\001 \001(\014\0223\n\006source\030"
+          + "\002 \001(\0132#.google.cloud.vision.v1.ImageSour"
+          + "ce\"\307\r\n\016FaceAnnotation\022;\n\rbounding_poly\030\001"
           + " \001(\0132$.google.cloud.vision.v1.BoundingPo"
-          + "ly\"\231\002\n\024SafeSearchAnnotation\0221\n\005adult\030\001 \001"
-          + "(\0162\".google.cloud.vision.v1.Likelihood\0221"
-          + "\n\005spoof\030\002 \001(\0162\".google.cloud.vision.v1.L"
-          + "ikelihood\0223\n\007medical\030\003 \001(\0162\".google.clou"
-          + "d.vision.v1.Likelihood\0224\n\010violence\030\004 \001(\016"
-          + "2\".google.cloud.vision.v1.Likelihood\0220\n\004"
-          + "racy\030\t \001(\0162\".google.cloud.vision.v1.Like"
-          + "lihood\"a\n\013LatLongRect\022(\n\013min_lat_lng\030\001 \001"
-          + "(\0132\023.google.type.LatLng\022(\n\013max_lat_lng\030\002"
-          + " \001(\0132\023.google.type.LatLng\"U\n\tColorInfo\022!"
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-          + "re\030\002 \001(\002\022\026\n\016pixel_fraction\030\003 \001(\002\"M\n\030Domi"
-          + "nantColorsAnnotation\0221\n\006colors\030\001 \003(\0132!.g"
-          + "oogle.cloud.vision.v1.ColorInfo\"\\\n\017Image"
-          + "Properties\022I\n\017dominant_colors\030\001 \001(\01320.go"
-          + "ogle.cloud.vision.v1.DominantColorsAnnot"
-          + "ation\"x\n\010CropHint\022;\n\rbounding_poly\030\001 \001(\013"
-          + "2$.google.cloud.vision.v1.BoundingPoly\022\022"
-          + "\n\nconfidence\030\002 \001(\002\022\033\n\023importance_fractio"
-          + "n\030\003 \001(\002\"K\n\023CropHintsAnnotation\0224\n\ncrop_h"
-          + "ints\030\001 \003(\0132 .google.cloud.vision.v1.Crop"
-          + "Hint\"(\n\017CropHintsParams\022\025\n\raspect_ratios"
-          + "\030\001 \003(\002\"1\n\022WebDetectionParams\022\033\n\023include_"
-          + "geo_results\030\002 \001(\010\"\274\002\n\014ImageContext\022:\n\rla"
-          + "t_long_rect\030\001 \001(\0132#.google.cloud.vision."
-          + "v1.LatLongRect\022\026\n\016language_hints\030\002 \003(\t\022B"
-          + "\n\021crop_hints_params\030\004 \001(\0132\'.google.cloud"
-          + ".vision.v1.CropHintsParams\022J\n\025product_se"
-          + "arch_params\030\005 \001(\0132+.google.cloud.vision."
-          + "v1.ProductSearchParams\022H\n\024web_detection_"
-          + "params\030\006 \001(\0132*.google.cloud.vision.v1.We"
-          + "bDetectionParams\"\264\001\n\024AnnotateImageReques"
-          + "t\022,\n\005image\030\001 \001(\0132\035.google.cloud.vision.v"
-          + "1.Image\0221\n\010features\030\002 \003(\0132\037.google.cloud"
-          + ".vision.v1.Feature\022;\n\rimage_context\030\003 \001("
-          + "\0132$.google.cloud.vision.v1.ImageContext\""
-          + ":\n\026ImageAnnotationContext\022\013\n\003uri\030\001 \001(\t\022\023"
-          + "\n\013page_number\030\002 \001(\005\"\344\007\n\025AnnotateImageRes"
-          + "ponse\022@\n\020face_annotations\030\001 \003(\0132&.google"
-          + ".cloud.vision.v1.FaceAnnotation\022F\n\024landm"
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+          + "nfig\0225\n\ngcs_source\030\001 \001(\0132!.google.cloud."
+          + "vision.v1.GcsSource\022\017\n\007content\030\003 \001(\014\022\021\n\t"
+          + "mime_type\030\002 \001(\t\"c\n\014OutputConfig\022?\n\017gcs_d"
+          + "estination\030\001 \001(\0132&.google.cloud.vision.v"
+          + "1.GcsDestination\022\022\n\nbatch_size\030\002 \001(\005\"\030\n\t"
+          + "GcsSource\022\013\n\003uri\030\001 \001(\t\"\035\n\016GcsDestination"
+          + "\022\013\n\003uri\030\001 \001(\t\"\210\002\n\021OperationMetadata\022>\n\005s"
+          + "tate\030\001 \001(\0162/.google.cloud.vision.v1.Oper"
+          + "ationMetadata.State\022/\n\013create_time\030\005 \001(\013"
+          + "2\032.google.protobuf.Timestamp\022/\n\013update_t"
+          + "ime\030\006 \001(\0132\032.google.protobuf.Timestamp\"Q\n"
+          + "\005State\022\025\n\021STATE_UNSPECIFIED\020\000\022\013\n\007CREATED"
+          + "\020\001\022\013\n\007RUNNING\020\002\022\010\n\004DONE\020\003\022\r\n\tCANCELLED\020\004"
+          + "*e\n\nLikelihood\022\013\n\007UNKNOWN\020\000\022\021\n\rVERY_UNLI"
+          + "KELY\020\001\022\014\n\010UNLIKELY\020\002\022\014\n\010POSSIBLE\020\003\022\n\n\006LI"
+          + "KELY\020\004\022\017\n\013VERY_LIKELY\020\0052\365\n\n\016ImageAnnotat"
+          + "or\022\223\002\n\023BatchAnnotateImages\0222.google.clou"
+          + "d.vision.v1.BatchAnnotateImagesRequest\0323"
+          + ".google.cloud.vision.v1.BatchAnnotateIma"
+          + "gesResponse\"\222\001\202\323\344\223\002\200\001\"\023/v1/images:annota"
+          + "te:\001*Z8\"3/v1/{parent=projects/*/location"
+          + "s/*}/images:annotate:\001*Z,\"\'/v1/{parent=p"
+          + "rojects/*}/images:annotate:\001*\332A\010requests"
+          + "\022\214\002\n\022BatchAnnotateFiles\0221.google.cloud.v"
+          + "ision.v1.BatchAnnotateFilesRequest\0322.goo"
+          + "gle.cloud.vision.v1.BatchAnnotateFilesRe"
+          + "sponse\"\216\001\202\323\344\223\002}\"\022/v1/files:annotate:\001*Z7"
+          + "\"2/v1/{parent=projects/*/locations/*}/fi"
+          + "les:annotate:\001*Z+\"&/v1/{parent=projects/"
+          + "*}/files:annotate:\001*\332A\010requests\022\353\002\n\030Asyn"
+          + "cBatchAnnotateImages\0227.google.cloud.visi"
+          + "on.v1.AsyncBatchAnnotateImagesRequest\032\035."
+          + "google.longrunning.Operation\"\366\001\202\323\344\223\002\236\001\"\035"
+          + "/v1/images:asyncBatchAnnotate:\001*ZB\"=/v1/"
+          + "{parent=projects/*/locations/*}/images:a"
+          + "syncBatchAnnotate:\001*Z6\"1/v1/{parent=proj"
+          + "ects/*}/images:asyncBatchAnnotate:\001*\332A\026r"
+          + "equests,output_config\312A5\n AsyncBatchAnno"
+          + "tateImagesResponse\022\021OperationMetadata\022\327\002"
           + "\n\027AsyncBatchAnnotateFiles\0226.google.cloud"
           + ".vision.v1.AsyncBatchAnnotateFilesReques"
-          + "t\032\035.google.longrunning.Operation\"\242\001\202\323\344\223\002"
+          + "t\032\035.google.longrunning.Operation\"\344\001\202\323\344\223\002"
           + "\233\001\"\034/v1/files:asyncBatchAnnotate:\001*ZA\"</"
           + "v1/{parent=projects/*/locations/*}/files"
           + ":asyncBatchAnnotate:\001*Z5\"0/v1/{parent=pr"
-          + "ojects/*}/files:asyncBatchAnnotate:\001*\032v\312"
-          + "A\025vision.googleapis.com\322A[https://www.go"
-          + "ogleapis.com/auth/cloud-platform,https:/"
-          + "/www.googleapis.com/auth/cloud-visionB{\n"
-          + "\032com.google.cloud.vision.v1B\023ImageAnnota"
-          + "torProtoP\001Z<google.golang.org/genproto/g"
-          + "oogleapis/cloud/vision/v1;vision\370\001\001\242\002\004GC"
-          + "VNb\006proto3"
+          + "ojects/*}/files:asyncBatchAnnotate:\001*\332A\010"
+          + "requests\312A4\n\037AsyncBatchAnnotateFilesResp"
+          + "onse\022\021OperationMetadata\032v\312A\025vision.googl"
+          + "eapis.com\322A[https://www.googleapis.com/a"
+          + "uth/cloud-platform,https://www.googleapi"
+          + "s.com/auth/cloud-visionB{\n\032com.google.cl"
+          + "oud.vision.v1B\023ImageAnnotatorProtoP\001Z<go"
+          + "ogle.golang.org/genproto/googleapis/clou"
+          + "d/vision/v1;vision\370\001\001\242\002\004GCVNb\006proto3"
     };
     com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
         new com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner() {
@@ -429,6 +438,7 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
         new com.google.protobuf.Descriptors.FileDescriptor[] {
           com.google.api.AnnotationsProto.getDescriptor(),
           com.google.api.ClientProto.getDescriptor(),
+          com.google.api.FieldBehaviorProto.getDescriptor(),
           com.google.cloud.vision.v1.GeometryProto.getDescriptor(),
           com.google.cloud.vision.v1.ProductSearchProto.getDescriptor(),
           com.google.cloud.vision.v1.TextAnnotationProto.getDescriptor(),
@@ -541,7 +551,17 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_vision_v1_SafeSearchAnnotation_descriptor,
             new java.lang.String[] {
-              "Adult", "Spoof", "Medical", "Violence", "Racy",
+              "Adult",
+              "Spoof",
+              "Medical",
+              "Violence",
+              "Racy",
+              "AdultConfidence",
+              "SpoofConfidence",
+              "MedicalConfidence",
+              "ViolenceConfidence",
+              "RacyConfidence",
+              "NsfwConfidence",
             });
     internal_static_google_cloud_vision_v1_LatLongRect_descriptor =
         getDescriptor().getMessageTypes().get(9);
@@ -656,16 +676,8 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
               "Error",
               "Context",
             });
-    internal_static_google_cloud_vision_v1_AnnotateFileResponse_descriptor =
-        getDescriptor().getMessageTypes().get(21);
-    internal_static_google_cloud_vision_v1_AnnotateFileResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_cloud_vision_v1_AnnotateFileResponse_descriptor,
-            new java.lang.String[] {
-              "InputConfig", "Responses", "TotalPages", "Error",
-            });
     internal_static_google_cloud_vision_v1_BatchAnnotateImagesRequest_descriptor =
-        getDescriptor().getMessageTypes().get(22);
+        getDescriptor().getMessageTypes().get(21);
     internal_static_google_cloud_vision_v1_BatchAnnotateImagesRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_vision_v1_BatchAnnotateImagesRequest_descriptor,
@@ -673,7 +685,7 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
               "Requests", "Parent",
             });
     internal_static_google_cloud_vision_v1_BatchAnnotateImagesResponse_descriptor =
-        getDescriptor().getMessageTypes().get(23);
+        getDescriptor().getMessageTypes().get(22);
     internal_static_google_cloud_vision_v1_BatchAnnotateImagesResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_vision_v1_BatchAnnotateImagesResponse_descriptor,
@@ -681,13 +693,21 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
               "Responses",
             });
     internal_static_google_cloud_vision_v1_AnnotateFileRequest_descriptor =
-        getDescriptor().getMessageTypes().get(24);
+        getDescriptor().getMessageTypes().get(23);
     internal_static_google_cloud_vision_v1_AnnotateFileRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_vision_v1_AnnotateFileRequest_descriptor,
             new java.lang.String[] {
               "InputConfig", "Features", "ImageContext", "Pages",
             });
+    internal_static_google_cloud_vision_v1_AnnotateFileResponse_descriptor =
+        getDescriptor().getMessageTypes().get(24);
+    internal_static_google_cloud_vision_v1_AnnotateFileResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_vision_v1_AnnotateFileResponse_descriptor,
+            new java.lang.String[] {
+              "InputConfig", "Responses", "TotalPages", "Error",
+            });
     internal_static_google_cloud_vision_v1_BatchAnnotateFilesRequest_descriptor =
         getDescriptor().getMessageTypes().get(25);
     internal_static_google_cloud_vision_v1_BatchAnnotateFilesRequest_fieldAccessorTable =
@@ -795,12 +815,16 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.ClientProto.defaultHost);
+    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
     registry.add(com.google.api.AnnotationsProto.http);
+    registry.add(com.google.api.ClientProto.methodSignature);
     registry.add(com.google.api.ClientProto.oauthScopes);
+    registry.add(com.google.longrunning.OperationsProto.operationInfo);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
     com.google.api.AnnotationsProto.getDescriptor();
     com.google.api.ClientProto.getDescriptor();
+    com.google.api.FieldBehaviorProto.getDescriptor();
     com.google.cloud.vision.v1.GeometryProto.getDescriptor();
     com.google.cloud.vision.v1.ProductSearchProto.getDescriptor();
     com.google.cloud.vision.v1.TextAnnotationProto.getDescriptor();
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsGcsSource.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsGcsSource.java
index 926cc45b0726..d128ae659054 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsGcsSource.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsGcsSource.java
@@ -118,15 +118,13 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    * `product-display-name` column refers to
    * [display_name][google.cloud.vision.v1.Product.display_name], the
    * `product-category` column refers to
-   * [product_category][google.cloud.vision.v1.Product.product_category], and
-   * the `labels` column refers to
-   * [product_labels][google.cloud.vision.v1.Product.product_labels].
+   * [product_category][google.cloud.vision.v1.Product.product_category], and the
+   * `labels` column refers to [product_labels][google.cloud.vision.v1.Product.product_labels].
    * The `image-id` column is optional but must be unique if provided. If it is
    * empty, the system will automatically assign a unique id to the image.
    * The `product-display-name` column is optional. If it is empty, the system
-   * sets the [display_name][google.cloud.vision.v1.Product.display_name] field
-   * for the product to a space (" "). You can update the `display_name` later
-   * by using the API.
+   * sets the [display_name][google.cloud.vision.v1.Product.display_name] field for the product to a
+   * space (" "). You can update the `display_name` later by using the API.
    * If a `Product` with the specified `product-id` already exists, then the
    * system ignores the `product-display-name`, `product-category`, and `labels`
    * columns.
@@ -186,15 +184,13 @@ public java.lang.String getCsvFileUri() {
    * `product-display-name` column refers to
    * [display_name][google.cloud.vision.v1.Product.display_name], the
    * `product-category` column refers to
-   * [product_category][google.cloud.vision.v1.Product.product_category], and
-   * the `labels` column refers to
-   * [product_labels][google.cloud.vision.v1.Product.product_labels].
+   * [product_category][google.cloud.vision.v1.Product.product_category], and the
+   * `labels` column refers to [product_labels][google.cloud.vision.v1.Product.product_labels].
    * The `image-id` column is optional but must be unique if provided. If it is
    * empty, the system will automatically assign a unique id to the image.
    * The `product-display-name` column is optional. If it is empty, the system
-   * sets the [display_name][google.cloud.vision.v1.Product.display_name] field
-   * for the product to a space (" "). You can update the `display_name` later
-   * by using the API.
+   * sets the [display_name][google.cloud.vision.v1.Product.display_name] field for the product to a
+   * space (" "). You can update the `display_name` later by using the API.
    * If a `Product` with the specified `product-id` already exists, then the
    * system ignores the `product-display-name`, `product-category`, and `labels`
    * columns.
@@ -576,15 +572,13 @@ public Builder mergeFrom(
      * `product-display-name` column refers to
      * [display_name][google.cloud.vision.v1.Product.display_name], the
      * `product-category` column refers to
-     * [product_category][google.cloud.vision.v1.Product.product_category], and
-     * the `labels` column refers to
-     * [product_labels][google.cloud.vision.v1.Product.product_labels].
+     * [product_category][google.cloud.vision.v1.Product.product_category], and the
+     * `labels` column refers to [product_labels][google.cloud.vision.v1.Product.product_labels].
      * The `image-id` column is optional but must be unique if provided. If it is
      * empty, the system will automatically assign a unique id to the image.
      * The `product-display-name` column is optional. If it is empty, the system
-     * sets the [display_name][google.cloud.vision.v1.Product.display_name] field
-     * for the product to a space (" "). You can update the `display_name` later
-     * by using the API.
+     * sets the [display_name][google.cloud.vision.v1.Product.display_name] field for the product to a
+     * space (" "). You can update the `display_name` later by using the API.
      * If a `Product` with the specified `product-id` already exists, then the
      * system ignores the `product-display-name`, `product-category`, and `labels`
      * columns.
@@ -644,15 +638,13 @@ public java.lang.String getCsvFileUri() {
      * `product-display-name` column refers to
      * [display_name][google.cloud.vision.v1.Product.display_name], the
      * `product-category` column refers to
-     * [product_category][google.cloud.vision.v1.Product.product_category], and
-     * the `labels` column refers to
-     * [product_labels][google.cloud.vision.v1.Product.product_labels].
+     * [product_category][google.cloud.vision.v1.Product.product_category], and the
+     * `labels` column refers to [product_labels][google.cloud.vision.v1.Product.product_labels].
      * The `image-id` column is optional but must be unique if provided. If it is
      * empty, the system will automatically assign a unique id to the image.
      * The `product-display-name` column is optional. If it is empty, the system
-     * sets the [display_name][google.cloud.vision.v1.Product.display_name] field
-     * for the product to a space (" "). You can update the `display_name` later
-     * by using the API.
+     * sets the [display_name][google.cloud.vision.v1.Product.display_name] field for the product to a
+     * space (" "). You can update the `display_name` later by using the API.
      * If a `Product` with the specified `product-id` already exists, then the
      * system ignores the `product-display-name`, `product-category`, and `labels`
      * columns.
@@ -712,15 +704,13 @@ public com.google.protobuf.ByteString getCsvFileUriBytes() {
      * `product-display-name` column refers to
      * [display_name][google.cloud.vision.v1.Product.display_name], the
      * `product-category` column refers to
-     * [product_category][google.cloud.vision.v1.Product.product_category], and
-     * the `labels` column refers to
-     * [product_labels][google.cloud.vision.v1.Product.product_labels].
+     * [product_category][google.cloud.vision.v1.Product.product_category], and the
+     * `labels` column refers to [product_labels][google.cloud.vision.v1.Product.product_labels].
      * The `image-id` column is optional but must be unique if provided. If it is
      * empty, the system will automatically assign a unique id to the image.
      * The `product-display-name` column is optional. If it is empty, the system
-     * sets the [display_name][google.cloud.vision.v1.Product.display_name] field
-     * for the product to a space (" "). You can update the `display_name` later
-     * by using the API.
+     * sets the [display_name][google.cloud.vision.v1.Product.display_name] field for the product to a
+     * space (" "). You can update the `display_name` later by using the API.
      * If a `Product` with the specified `product-id` already exists, then the
      * system ignores the `product-display-name`, `product-category`, and `labels`
      * columns.
@@ -778,15 +768,13 @@ public Builder setCsvFileUri(java.lang.String value) {
      * `product-display-name` column refers to
      * [display_name][google.cloud.vision.v1.Product.display_name], the
      * `product-category` column refers to
-     * [product_category][google.cloud.vision.v1.Product.product_category], and
-     * the `labels` column refers to
-     * [product_labels][google.cloud.vision.v1.Product.product_labels].
+     * [product_category][google.cloud.vision.v1.Product.product_category], and the
+     * `labels` column refers to [product_labels][google.cloud.vision.v1.Product.product_labels].
      * The `image-id` column is optional but must be unique if provided. If it is
      * empty, the system will automatically assign a unique id to the image.
      * The `product-display-name` column is optional. If it is empty, the system
-     * sets the [display_name][google.cloud.vision.v1.Product.display_name] field
-     * for the product to a space (" "). You can update the `display_name` later
-     * by using the API.
+     * sets the [display_name][google.cloud.vision.v1.Product.display_name] field for the product to a
+     * space (" "). You can update the `display_name` later by using the API.
      * If a `Product` with the specified `product-id` already exists, then the
      * system ignores the `product-display-name`, `product-category`, and `labels`
      * columns.
@@ -841,15 +829,13 @@ public Builder clearCsvFileUri() {
      * `product-display-name` column refers to
      * [display_name][google.cloud.vision.v1.Product.display_name], the
      * `product-category` column refers to
-     * [product_category][google.cloud.vision.v1.Product.product_category], and
-     * the `labels` column refers to
-     * [product_labels][google.cloud.vision.v1.Product.product_labels].
+     * [product_category][google.cloud.vision.v1.Product.product_category], and the
+     * `labels` column refers to [product_labels][google.cloud.vision.v1.Product.product_labels].
      * The `image-id` column is optional but must be unique if provided. If it is
      * empty, the system will automatically assign a unique id to the image.
      * The `product-display-name` column is optional. If it is empty, the system
-     * sets the [display_name][google.cloud.vision.v1.Product.display_name] field
-     * for the product to a space (" "). You can update the `display_name` later
-     * by using the API.
+     * sets the [display_name][google.cloud.vision.v1.Product.display_name] field for the product to a
+     * space (" "). You can update the `display_name` later by using the API.
      * If a `Product` with the specified `product-id` already exists, then the
      * system ignores the `product-display-name`, `product-category`, and `labels`
      * columns.
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsGcsSourceOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsGcsSourceOrBuilder.java
index d31a8afd3c9b..3fc99431725b 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsGcsSourceOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsGcsSourceOrBuilder.java
@@ -32,15 +32,13 @@ public interface ImportProductSetsGcsSourceOrBuilder
    * `product-display-name` column refers to
    * [display_name][google.cloud.vision.v1.Product.display_name], the
    * `product-category` column refers to
-   * [product_category][google.cloud.vision.v1.Product.product_category], and
-   * the `labels` column refers to
-   * [product_labels][google.cloud.vision.v1.Product.product_labels].
+   * [product_category][google.cloud.vision.v1.Product.product_category], and the
+   * `labels` column refers to [product_labels][google.cloud.vision.v1.Product.product_labels].
    * The `image-id` column is optional but must be unique if provided. If it is
    * empty, the system will automatically assign a unique id to the image.
    * The `product-display-name` column is optional. If it is empty, the system
-   * sets the [display_name][google.cloud.vision.v1.Product.display_name] field
-   * for the product to a space (" "). You can update the `display_name` later
-   * by using the API.
+   * sets the [display_name][google.cloud.vision.v1.Product.display_name] field for the product to a
+   * space (" "). You can update the `display_name` later by using the API.
    * If a `Product` with the specified `product-id` already exists, then the
    * system ignores the `product-display-name`, `product-category`, and `labels`
    * columns.
@@ -90,15 +88,13 @@ public interface ImportProductSetsGcsSourceOrBuilder
    * `product-display-name` column refers to
    * [display_name][google.cloud.vision.v1.Product.display_name], the
    * `product-category` column refers to
-   * [product_category][google.cloud.vision.v1.Product.product_category], and
-   * the `labels` column refers to
-   * [product_labels][google.cloud.vision.v1.Product.product_labels].
+   * [product_category][google.cloud.vision.v1.Product.product_category], and the
+   * `labels` column refers to [product_labels][google.cloud.vision.v1.Product.product_labels].
    * The `image-id` column is optional but must be unique if provided. If it is
    * empty, the system will automatically assign a unique id to the image.
    * The `product-display-name` column is optional. If it is empty, the system
-   * sets the [display_name][google.cloud.vision.v1.Product.display_name] field
-   * for the product to a space (" "). You can update the `display_name` later
-   * by using the API.
+   * sets the [display_name][google.cloud.vision.v1.Product.display_name] field for the product to a
+   * space (" "). You can update the `display_name` later by using the API.
    * If a `Product` with the specified `product-id` already exists, then the
    * system ignores the `product-display-name`, `product-category`, and `labels`
    * columns.
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsRequest.java
index 33bf1a61f194..4bfc0d570bfd 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsRequest.java
@@ -114,11 +114,13 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * The project in which the ProductSets should be imported.
+   * Required. The project in which the ProductSets should be imported.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getParent() {
     java.lang.Object ref = parent_;
@@ -135,11 +137,13 @@ public java.lang.String getParent() {
    *
    *
    * <pre>
-   * The project in which the ProductSets should be imported.
+   * Required. The project in which the ProductSets should be imported.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getParentBytes() {
     java.lang.Object ref = parent_;
@@ -159,10 +163,12 @@ public com.google.protobuf.ByteString getParentBytes() {
    *
    *
    * <pre>
-   * The input content for the list of requests.
+   * Required. The input content for the list of requests.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public boolean hasInputConfig() {
     return inputConfig_ != null;
@@ -171,10 +177,12 @@ public boolean hasInputConfig() {
    *
    *
    * <pre>
-   * The input content for the list of requests.
+   * Required. The input content for the list of requests.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.ImportProductSetsInputConfig getInputConfig() {
     return inputConfig_ == null
@@ -185,10 +193,12 @@ public com.google.cloud.vision.v1.ImportProductSetsInputConfig getInputConfig()
    *
    *
    * <pre>
-   * The input content for the list of requests.
+   * Required. The input content for the list of requests.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.ImportProductSetsInputConfigOrBuilder
       getInputConfigOrBuilder() {
@@ -546,11 +556,13 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The project in which the ProductSets should be imported.
+     * Required. The project in which the ProductSets should be imported.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getParent() {
       java.lang.Object ref = parent_;
@@ -567,11 +579,13 @@ public java.lang.String getParent() {
      *
      *
      * <pre>
-     * The project in which the ProductSets should be imported.
+     * Required. The project in which the ProductSets should be imported.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getParentBytes() {
       java.lang.Object ref = parent_;
@@ -588,11 +602,13 @@ public com.google.protobuf.ByteString getParentBytes() {
      *
      *
      * <pre>
-     * The project in which the ProductSets should be imported.
+     * Required. The project in which the ProductSets should be imported.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParent(java.lang.String value) {
       if (value == null) {
@@ -607,11 +623,13 @@ public Builder setParent(java.lang.String value) {
      *
      *
      * <pre>
-     * The project in which the ProductSets should be imported.
+     * Required. The project in which the ProductSets should be imported.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearParent() {
 
@@ -623,11 +641,13 @@ public Builder clearParent() {
      *
      *
      * <pre>
-     * The project in which the ProductSets should be imported.
+     * Required. The project in which the ProductSets should be imported.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParentBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
@@ -650,10 +670,12 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The input content for the list of requests.
+     * Required. The input content for the list of requests.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public boolean hasInputConfig() {
       return inputConfigBuilder_ != null || inputConfig_ != null;
@@ -662,10 +684,12 @@ public boolean hasInputConfig() {
      *
      *
      * <pre>
-     * The input content for the list of requests.
+     * Required. The input content for the list of requests.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ImportProductSetsInputConfig getInputConfig() {
       if (inputConfigBuilder_ == null) {
@@ -680,10 +704,12 @@ public com.google.cloud.vision.v1.ImportProductSetsInputConfig getInputConfig()
      *
      *
      * <pre>
-     * The input content for the list of requests.
+     * Required. The input content for the list of requests.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setInputConfig(com.google.cloud.vision.v1.ImportProductSetsInputConfig value) {
       if (inputConfigBuilder_ == null) {
@@ -702,10 +728,12 @@ public Builder setInputConfig(com.google.cloud.vision.v1.ImportProductSetsInputC
      *
      *
      * <pre>
-     * The input content for the list of requests.
+     * Required. The input content for the list of requests.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setInputConfig(
         com.google.cloud.vision.v1.ImportProductSetsInputConfig.Builder builderForValue) {
@@ -722,10 +750,12 @@ public Builder setInputConfig(
      *
      *
      * <pre>
-     * The input content for the list of requests.
+     * Required. The input content for the list of requests.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder mergeInputConfig(com.google.cloud.vision.v1.ImportProductSetsInputConfig value) {
       if (inputConfigBuilder_ == null) {
@@ -748,10 +778,12 @@ public Builder mergeInputConfig(com.google.cloud.vision.v1.ImportProductSetsInpu
      *
      *
      * <pre>
-     * The input content for the list of requests.
+     * Required. The input content for the list of requests.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder clearInputConfig() {
       if (inputConfigBuilder_ == null) {
@@ -768,10 +800,12 @@ public Builder clearInputConfig() {
      *
      *
      * <pre>
-     * The input content for the list of requests.
+     * Required. The input content for the list of requests.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ImportProductSetsInputConfig.Builder getInputConfigBuilder() {
 
@@ -782,10 +816,12 @@ public com.google.cloud.vision.v1.ImportProductSetsInputConfig.Builder getInputC
      *
      *
      * <pre>
-     * The input content for the list of requests.
+     * Required. The input content for the list of requests.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ImportProductSetsInputConfigOrBuilder
         getInputConfigOrBuilder() {
@@ -801,10 +837,12 @@ public com.google.cloud.vision.v1.ImportProductSetsInputConfig.Builder getInputC
      *
      *
      * <pre>
-     * The input content for the list of requests.
+     * Required. The input content for the list of requests.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+     * <code>
+     * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloud.vision.v1.ImportProductSetsInputConfig,
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsRequestOrBuilder.java
index a26b02b9bdd7..867380ac0f91 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsRequestOrBuilder.java
@@ -12,22 +12,26 @@ public interface ImportProductSetsRequestOrBuilder
    *
    *
    * <pre>
-   * The project in which the ProductSets should be imported.
+   * Required. The project in which the ProductSets should be imported.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getParent();
   /**
    *
    *
    * <pre>
-   * The project in which the ProductSets should be imported.
+   * Required. The project in which the ProductSets should be imported.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getParentBytes();
 
@@ -35,30 +39,36 @@ public interface ImportProductSetsRequestOrBuilder
    *
    *
    * <pre>
-   * The input content for the list of requests.
+   * Required. The input content for the list of requests.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   boolean hasInputConfig();
   /**
    *
    *
    * <pre>
-   * The input content for the list of requests.
+   * Required. The input content for the list of requests.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.ImportProductSetsInputConfig getInputConfig();
   /**
    *
    *
    * <pre>
-   * The input content for the list of requests.
+   * Required. The input content for the list of requests.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2;</code>
+   * <code>
+   * .google.cloud.vision.v1.ImportProductSetsInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.ImportProductSetsInputConfigOrBuilder getInputConfigOrBuilder();
 }
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsResponse.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsResponse.java
index db320dfb7c3f..c1fdd45fc635 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsResponse.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsResponse.java
@@ -9,10 +9,8 @@
  * <pre>
  * Response message for the `ImportProductSets` method.
  * This message is returned by the
- * [google.longrunning.Operations.GetOperation][google.longrunning.Operations.GetOperation]
- * method in the returned
- * [google.longrunning.Operation.response][google.longrunning.Operation.response]
- * field.
+ * [google.longrunning.Operations.GetOperation][google.longrunning.Operations.GetOperation] method in the returned
+ * [google.longrunning.Operation.response][google.longrunning.Operation.response] field.
  * </pre>
  *
  * Protobuf type {@code google.cloud.vision.v1.ImportProductSetsResponse}
@@ -442,10 +440,8 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    * <pre>
    * Response message for the `ImportProductSets` method.
    * This message is returned by the
-   * [google.longrunning.Operations.GetOperation][google.longrunning.Operations.GetOperation]
-   * method in the returned
-   * [google.longrunning.Operation.response][google.longrunning.Operation.response]
-   * field.
+   * [google.longrunning.Operations.GetOperation][google.longrunning.Operations.GetOperation] method in the returned
+   * [google.longrunning.Operation.response][google.longrunning.Operation.response] field.
    * </pre>
    *
    * Protobuf type {@code google.cloud.vision.v1.ImportProductSetsResponse}
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductSetsRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductSetsRequest.java
index 118ab82a19a6..2d3eed9ea510 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductSetsRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductSetsRequest.java
@@ -110,11 +110,13 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * The project from which ProductSets should be listed.
+   * Required. The project from which ProductSets should be listed.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getParent() {
     java.lang.Object ref = parent_;
@@ -131,11 +133,13 @@ public java.lang.String getParent() {
    *
    *
    * <pre>
-   * The project from which ProductSets should be listed.
+   * Required. The project from which ProductSets should be listed.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getParentBytes() {
     java.lang.Object ref = parent_;
@@ -561,11 +565,13 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The project from which ProductSets should be listed.
+     * Required. The project from which ProductSets should be listed.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getParent() {
       java.lang.Object ref = parent_;
@@ -582,11 +588,13 @@ public java.lang.String getParent() {
      *
      *
      * <pre>
-     * The project from which ProductSets should be listed.
+     * Required. The project from which ProductSets should be listed.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getParentBytes() {
       java.lang.Object ref = parent_;
@@ -603,11 +611,13 @@ public com.google.protobuf.ByteString getParentBytes() {
      *
      *
      * <pre>
-     * The project from which ProductSets should be listed.
+     * Required. The project from which ProductSets should be listed.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParent(java.lang.String value) {
       if (value == null) {
@@ -622,11 +632,13 @@ public Builder setParent(java.lang.String value) {
      *
      *
      * <pre>
-     * The project from which ProductSets should be listed.
+     * Required. The project from which ProductSets should be listed.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearParent() {
 
@@ -638,11 +650,13 @@ public Builder clearParent() {
      *
      *
      * <pre>
-     * The project from which ProductSets should be listed.
+     * Required. The project from which ProductSets should be listed.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParentBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductSetsRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductSetsRequestOrBuilder.java
index dbdb4ec1331e..ed29ffb5256e 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductSetsRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductSetsRequestOrBuilder.java
@@ -12,22 +12,26 @@ public interface ListProductSetsRequestOrBuilder
    *
    *
    * <pre>
-   * The project from which ProductSets should be listed.
+   * Required. The project from which ProductSets should be listed.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getParent();
   /**
    *
    *
    * <pre>
-   * The project from which ProductSets should be listed.
+   * Required. The project from which ProductSets should be listed.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getParentBytes();
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsInProductSetRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsInProductSetRequest.java
index e7e12717932e..3a652c4ef5eb 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsInProductSetRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsInProductSetRequest.java
@@ -111,12 +111,14 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * The ProductSet resource for which to retrieve Products.
+   * Required. The ProductSet resource for which to retrieve Products.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getName() {
     java.lang.Object ref = name_;
@@ -133,12 +135,14 @@ public java.lang.String getName() {
    *
    *
    * <pre>
-   * The ProductSet resource for which to retrieve Products.
+   * Required. The ProductSet resource for which to retrieve Products.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getNameBytes() {
     java.lang.Object ref = name_;
@@ -565,12 +569,14 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The ProductSet resource for which to retrieve Products.
+     * Required. The ProductSet resource for which to retrieve Products.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
@@ -587,12 +593,14 @@ public java.lang.String getName() {
      *
      *
      * <pre>
-     * The ProductSet resource for which to retrieve Products.
+     * Required. The ProductSet resource for which to retrieve Products.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getNameBytes() {
       java.lang.Object ref = name_;
@@ -609,12 +617,14 @@ public com.google.protobuf.ByteString getNameBytes() {
      *
      *
      * <pre>
-     * The ProductSet resource for which to retrieve Products.
+     * Required. The ProductSet resource for which to retrieve Products.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setName(java.lang.String value) {
       if (value == null) {
@@ -629,12 +639,14 @@ public Builder setName(java.lang.String value) {
      *
      *
      * <pre>
-     * The ProductSet resource for which to retrieve Products.
+     * Required. The ProductSet resource for which to retrieve Products.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearName() {
 
@@ -646,12 +658,14 @@ public Builder clearName() {
      *
      *
      * <pre>
-     * The ProductSet resource for which to retrieve Products.
+     * Required. The ProductSet resource for which to retrieve Products.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setNameBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsInProductSetRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsInProductSetRequestOrBuilder.java
index 58e0963d1e4c..9e902546681c 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsInProductSetRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsInProductSetRequestOrBuilder.java
@@ -12,24 +12,28 @@ public interface ListProductsInProductSetRequestOrBuilder
    *
    *
    * <pre>
-   * The ProductSet resource for which to retrieve Products.
+   * Required. The ProductSet resource for which to retrieve Products.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getName();
   /**
    *
    *
    * <pre>
-   * The ProductSet resource for which to retrieve Products.
+   * Required. The ProductSet resource for which to retrieve Products.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getNameBytes();
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsRequest.java
index 0a61c52bf7a1..c613075a467d 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsRequest.java
@@ -110,12 +110,14 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * The project OR ProductSet from which Products should be listed.
+   * Required. The project OR ProductSet from which Products should be listed.
    * Format:
    * `projects/PROJECT_ID/locations/LOC_ID`
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getParent() {
     java.lang.Object ref = parent_;
@@ -132,12 +134,14 @@ public java.lang.String getParent() {
    *
    *
    * <pre>
-   * The project OR ProductSet from which Products should be listed.
+   * Required. The project OR ProductSet from which Products should be listed.
    * Format:
    * `projects/PROJECT_ID/locations/LOC_ID`
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getParentBytes() {
     java.lang.Object ref = parent_;
@@ -561,12 +565,14 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The project OR ProductSet from which Products should be listed.
+     * Required. The project OR ProductSet from which Products should be listed.
      * Format:
      * `projects/PROJECT_ID/locations/LOC_ID`
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getParent() {
       java.lang.Object ref = parent_;
@@ -583,12 +589,14 @@ public java.lang.String getParent() {
      *
      *
      * <pre>
-     * The project OR ProductSet from which Products should be listed.
+     * Required. The project OR ProductSet from which Products should be listed.
      * Format:
      * `projects/PROJECT_ID/locations/LOC_ID`
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getParentBytes() {
       java.lang.Object ref = parent_;
@@ -605,12 +613,14 @@ public com.google.protobuf.ByteString getParentBytes() {
      *
      *
      * <pre>
-     * The project OR ProductSet from which Products should be listed.
+     * Required. The project OR ProductSet from which Products should be listed.
      * Format:
      * `projects/PROJECT_ID/locations/LOC_ID`
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParent(java.lang.String value) {
       if (value == null) {
@@ -625,12 +635,14 @@ public Builder setParent(java.lang.String value) {
      *
      *
      * <pre>
-     * The project OR ProductSet from which Products should be listed.
+     * Required. The project OR ProductSet from which Products should be listed.
      * Format:
      * `projects/PROJECT_ID/locations/LOC_ID`
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearParent() {
 
@@ -642,12 +654,14 @@ public Builder clearParent() {
      *
      *
      * <pre>
-     * The project OR ProductSet from which Products should be listed.
+     * Required. The project OR ProductSet from which Products should be listed.
      * Format:
      * `projects/PROJECT_ID/locations/LOC_ID`
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParentBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsRequestOrBuilder.java
index b87b32cc44c7..33dda78f769e 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductsRequestOrBuilder.java
@@ -12,24 +12,28 @@ public interface ListProductsRequestOrBuilder
    *
    *
    * <pre>
-   * The project OR ProductSet from which Products should be listed.
+   * Required. The project OR ProductSet from which Products should be listed.
    * Format:
    * `projects/PROJECT_ID/locations/LOC_ID`
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getParent();
   /**
    *
    *
    * <pre>
-   * The project OR ProductSet from which Products should be listed.
+   * Required. The project OR ProductSet from which Products should be listed.
    * Format:
    * `projects/PROJECT_ID/locations/LOC_ID`
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getParentBytes();
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListReferenceImagesRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListReferenceImagesRequest.java
index f708a4367296..b84ba341852b 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListReferenceImagesRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListReferenceImagesRequest.java
@@ -110,12 +110,14 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Resource name of the product containing the reference images.
+   * Required. Resource name of the product containing the reference images.
    * Format is
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getParent() {
     java.lang.Object ref = parent_;
@@ -132,12 +134,14 @@ public java.lang.String getParent() {
    *
    *
    * <pre>
-   * Resource name of the product containing the reference images.
+   * Required. Resource name of the product containing the reference images.
    * Format is
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getParentBytes() {
     java.lang.Object ref = parent_;
@@ -568,12 +572,14 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * Resource name of the product containing the reference images.
+     * Required. Resource name of the product containing the reference images.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getParent() {
       java.lang.Object ref = parent_;
@@ -590,12 +596,14 @@ public java.lang.String getParent() {
      *
      *
      * <pre>
-     * Resource name of the product containing the reference images.
+     * Required. Resource name of the product containing the reference images.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getParentBytes() {
       java.lang.Object ref = parent_;
@@ -612,12 +620,14 @@ public com.google.protobuf.ByteString getParentBytes() {
      *
      *
      * <pre>
-     * Resource name of the product containing the reference images.
+     * Required. Resource name of the product containing the reference images.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParent(java.lang.String value) {
       if (value == null) {
@@ -632,12 +642,14 @@ public Builder setParent(java.lang.String value) {
      *
      *
      * <pre>
-     * Resource name of the product containing the reference images.
+     * Required. Resource name of the product containing the reference images.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearParent() {
 
@@ -649,12 +661,14 @@ public Builder clearParent() {
      *
      *
      * <pre>
-     * Resource name of the product containing the reference images.
+     * Required. Resource name of the product containing the reference images.
      * Format is
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParentBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListReferenceImagesRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListReferenceImagesRequestOrBuilder.java
index 062e95928908..4059fee0fa9c 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListReferenceImagesRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListReferenceImagesRequestOrBuilder.java
@@ -12,24 +12,28 @@ public interface ListReferenceImagesRequestOrBuilder
    *
    *
    * <pre>
-   * Resource name of the product containing the reference images.
+   * Required. Resource name of the product containing the reference images.
    * Format is
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getParent();
   /**
    *
    *
    * <pre>
-   * Resource name of the product containing the reference images.
+   * Required. Resource name of the product containing the reference images.
    * Format is
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getParentBytes();
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/Product.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/Product.java
index 9b09cdc57756..1270409c5f46 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/Product.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/Product.java
@@ -1100,14 +1100,13 @@ public com.google.protobuf.ByteString getDescriptionBytes() {
    *
    *
    * <pre>
-   * The category for the product identified by the reference image. This should
+   * Immutable. The category for the product identified by the reference image. This should
    * be either "homegoods-v2", "apparel-v2", "toys-v2", "packagedgoods-v1", or
    * "general-v1" The legacy categories "homegoods", "apparel", and "toys" are
    * still supported, but these should not be used for new products.
-   * This field is immutable.
    * </pre>
    *
-   * <code>string product_category = 4;</code>
+   * <code>string product_category = 4 [(.google.api.field_behavior) = IMMUTABLE];</code>
    */
   public java.lang.String getProductCategory() {
     java.lang.Object ref = productCategory_;
@@ -1124,14 +1123,13 @@ public java.lang.String getProductCategory() {
    *
    *
    * <pre>
-   * The category for the product identified by the reference image. This should
+   * Immutable. The category for the product identified by the reference image. This should
    * be either "homegoods-v2", "apparel-v2", "toys-v2", "packagedgoods-v1", or
    * "general-v1" The legacy categories "homegoods", "apparel", and "toys" are
    * still supported, but these should not be used for new products.
-   * This field is immutable.
    * </pre>
    *
-   * <code>string product_category = 4;</code>
+   * <code>string product_category = 4 [(.google.api.field_behavior) = IMMUTABLE];</code>
    */
   public com.google.protobuf.ByteString getProductCategoryBytes() {
     java.lang.Object ref = productCategory_;
@@ -1987,14 +1985,13 @@ public Builder setDescriptionBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The category for the product identified by the reference image. This should
+     * Immutable. The category for the product identified by the reference image. This should
      * be either "homegoods-v2", "apparel-v2", "toys-v2", "packagedgoods-v1", or
      * "general-v1" The legacy categories "homegoods", "apparel", and "toys" are
      * still supported, but these should not be used for new products.
-     * This field is immutable.
      * </pre>
      *
-     * <code>string product_category = 4;</code>
+     * <code>string product_category = 4 [(.google.api.field_behavior) = IMMUTABLE];</code>
      */
     public java.lang.String getProductCategory() {
       java.lang.Object ref = productCategory_;
@@ -2011,14 +2008,13 @@ public java.lang.String getProductCategory() {
      *
      *
      * <pre>
-     * The category for the product identified by the reference image. This should
+     * Immutable. The category for the product identified by the reference image. This should
      * be either "homegoods-v2", "apparel-v2", "toys-v2", "packagedgoods-v1", or
      * "general-v1" The legacy categories "homegoods", "apparel", and "toys" are
      * still supported, but these should not be used for new products.
-     * This field is immutable.
      * </pre>
      *
-     * <code>string product_category = 4;</code>
+     * <code>string product_category = 4 [(.google.api.field_behavior) = IMMUTABLE];</code>
      */
     public com.google.protobuf.ByteString getProductCategoryBytes() {
       java.lang.Object ref = productCategory_;
@@ -2035,14 +2031,13 @@ public com.google.protobuf.ByteString getProductCategoryBytes() {
      *
      *
      * <pre>
-     * The category for the product identified by the reference image. This should
+     * Immutable. The category for the product identified by the reference image. This should
      * be either "homegoods-v2", "apparel-v2", "toys-v2", "packagedgoods-v1", or
      * "general-v1" The legacy categories "homegoods", "apparel", and "toys" are
      * still supported, but these should not be used for new products.
-     * This field is immutable.
      * </pre>
      *
-     * <code>string product_category = 4;</code>
+     * <code>string product_category = 4 [(.google.api.field_behavior) = IMMUTABLE];</code>
      */
     public Builder setProductCategory(java.lang.String value) {
       if (value == null) {
@@ -2057,14 +2052,13 @@ public Builder setProductCategory(java.lang.String value) {
      *
      *
      * <pre>
-     * The category for the product identified by the reference image. This should
+     * Immutable. The category for the product identified by the reference image. This should
      * be either "homegoods-v2", "apparel-v2", "toys-v2", "packagedgoods-v1", or
      * "general-v1" The legacy categories "homegoods", "apparel", and "toys" are
      * still supported, but these should not be used for new products.
-     * This field is immutable.
      * </pre>
      *
-     * <code>string product_category = 4;</code>
+     * <code>string product_category = 4 [(.google.api.field_behavior) = IMMUTABLE];</code>
      */
     public Builder clearProductCategory() {
 
@@ -2076,14 +2070,13 @@ public Builder clearProductCategory() {
      *
      *
      * <pre>
-     * The category for the product identified by the reference image. This should
+     * Immutable. The category for the product identified by the reference image. This should
      * be either "homegoods-v2", "apparel-v2", "toys-v2", "packagedgoods-v1", or
      * "general-v1" The legacy categories "homegoods", "apparel", and "toys" are
      * still supported, but these should not be used for new products.
-     * This field is immutable.
      * </pre>
      *
-     * <code>string product_category = 4;</code>
+     * <code>string product_category = 4 [(.google.api.field_behavior) = IMMUTABLE];</code>
      */
     public Builder setProductCategoryBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductOrBuilder.java
index 3b69e0263a6b..c0d6385ea886 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductOrBuilder.java
@@ -85,28 +85,26 @@ public interface ProductOrBuilder
    *
    *
    * <pre>
-   * The category for the product identified by the reference image. This should
+   * Immutable. The category for the product identified by the reference image. This should
    * be either "homegoods-v2", "apparel-v2", "toys-v2", "packagedgoods-v1", or
    * "general-v1" The legacy categories "homegoods", "apparel", and "toys" are
    * still supported, but these should not be used for new products.
-   * This field is immutable.
    * </pre>
    *
-   * <code>string product_category = 4;</code>
+   * <code>string product_category = 4 [(.google.api.field_behavior) = IMMUTABLE];</code>
    */
   java.lang.String getProductCategory();
   /**
    *
    *
    * <pre>
-   * The category for the product identified by the reference image. This should
+   * Immutable. The category for the product identified by the reference image. This should
    * be either "homegoods-v2", "apparel-v2", "toys-v2", "packagedgoods-v1", or
    * "general-v1" The legacy categories "homegoods", "apparel", and "toys" are
    * still supported, but these should not be used for new products.
-   * This field is immutable.
    * </pre>
    *
-   * <code>string product_category = 4;</code>
+   * <code>string product_category = 4 [(.google.api.field_behavior) = IMMUTABLE];</code>
    */
   com.google.protobuf.ByteString getProductCategoryBytes();
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchParams.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchParams.java
index 4b2f58e3db84..a497d818a646 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchParams.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchParams.java
@@ -180,8 +180,7 @@ public com.google.cloud.vision.v1.BoundingPolyOrBuilder getBoundingPolyOrBuilder
    *
    *
    * <pre>
-   * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to
-   * be searched for similar images.
+   * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to be searched for similar images.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`.
    * </pre>
@@ -203,8 +202,7 @@ public java.lang.String getProductSet() {
    *
    *
    * <pre>
-   * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to
-   * be searched for similar images.
+   * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to be searched for similar images.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`.
    * </pre>
@@ -947,8 +945,7 @@ public com.google.cloud.vision.v1.BoundingPolyOrBuilder getBoundingPolyOrBuilder
      *
      *
      * <pre>
-     * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to
-     * be searched for similar images.
+     * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to be searched for similar images.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`.
      * </pre>
@@ -970,8 +967,7 @@ public java.lang.String getProductSet() {
      *
      *
      * <pre>
-     * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to
-     * be searched for similar images.
+     * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to be searched for similar images.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`.
      * </pre>
@@ -993,8 +989,7 @@ public com.google.protobuf.ByteString getProductSetBytes() {
      *
      *
      * <pre>
-     * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to
-     * be searched for similar images.
+     * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to be searched for similar images.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`.
      * </pre>
@@ -1014,8 +1009,7 @@ public Builder setProductSet(java.lang.String value) {
      *
      *
      * <pre>
-     * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to
-     * be searched for similar images.
+     * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to be searched for similar images.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`.
      * </pre>
@@ -1032,8 +1026,7 @@ public Builder clearProductSet() {
      *
      *
      * <pre>
-     * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to
-     * be searched for similar images.
+     * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to be searched for similar images.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`.
      * </pre>
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchParamsOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchParamsOrBuilder.java
index c5d5e5915adf..83270f5be4b4 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchParamsOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchParamsOrBuilder.java
@@ -46,8 +46,7 @@ public interface ProductSearchParamsOrBuilder
    *
    *
    * <pre>
-   * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to
-   * be searched for similar images.
+   * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to be searched for similar images.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`.
    * </pre>
@@ -59,8 +58,7 @@ public interface ProductSearchParamsOrBuilder
    *
    *
    * <pre>
-   * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to
-   * be searched for similar images.
+   * The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to be searched for similar images.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`.
    * </pre>
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchProto.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchProto.java
index f2a141f29954..e9d04241ffd4 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchProto.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchProto.java
@@ -42,11 +42,11 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
   static {
     java.lang.String[] descriptorData = {
       "\n+google/cloud/vision/v1/product_search."
-          + "proto\022\026google.cloud.vision.v1\032\034google/ap"
-          + "i/annotations.proto\032%google/cloud/vision"
-          + "/v1/geometry.proto\0323google/cloud/vision/"
-          + "v1/product_search_service.proto\032\037google/"
-          + "protobuf/timestamp.proto\"\223\001\n\023ProductSear"
+          + "proto\022\026google.cloud.vision.v1\032%google/cl"
+          + "oud/vision/v1/geometry.proto\0323google/clo"
+          + "ud/vision/v1/product_search_service.prot"
+          + "o\032\037google/protobuf/timestamp.proto\032\034goog"
+          + "le/api/annotations.proto\"\223\001\n\023ProductSear"
           + "chParams\022;\n\rbounding_poly\030\t \001(\0132$.google"
           + ".cloud.vision.v1.BoundingPoly\022\023\n\013product"
           + "_set\030\006 \001(\t\022\032\n\022product_categories\030\007 \003(\t\022\016"
@@ -82,10 +82,10 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
     com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
         descriptorData,
         new com.google.protobuf.Descriptors.FileDescriptor[] {
-          com.google.api.AnnotationsProto.getDescriptor(),
           com.google.cloud.vision.v1.GeometryProto.getDescriptor(),
           com.google.cloud.vision.v1.ProductSearchServiceProto.getDescriptor(),
           com.google.protobuf.TimestampProto.getDescriptor(),
+          com.google.api.AnnotationsProto.getDescriptor(),
         },
         assigner);
     internal_static_google_cloud_vision_v1_ProductSearchParams_descriptor =
@@ -134,10 +134,10 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
             new java.lang.String[] {
               "BoundingPoly", "Results", "ObjectAnnotations",
             });
-    com.google.api.AnnotationsProto.getDescriptor();
     com.google.cloud.vision.v1.GeometryProto.getDescriptor();
     com.google.cloud.vision.v1.ProductSearchServiceProto.getDescriptor();
     com.google.protobuf.TimestampProto.getDescriptor();
+    com.google.api.AnnotationsProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchServiceProto.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchServiceProto.java
index fddcd5f71f41..a61e0e79ab33 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchServiceProto.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchServiceProto.java
@@ -152,181 +152,222 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
       "\n3google/cloud/vision/v1/product_search_"
           + "service.proto\022\026google.cloud.vision.v1\032\034g"
           + "oogle/api/annotations.proto\032\027google/api/"
-          + "client.proto\032%google/cloud/vision/v1/geo"
-          + "metry.proto\032#google/longrunning/operatio"
-          + "ns.proto\032\033google/protobuf/empty.proto\032 g"
-          + "oogle/protobuf/field_mask.proto\032\037google/"
-          + "protobuf/timestamp.proto\032\027google/rpc/sta"
-          + "tus.proto\"\306\001\n\007Product\022\014\n\004name\030\001 \001(\t\022\024\n\014d"
-          + "isplay_name\030\002 \001(\t\022\023\n\013description\030\003 \001(\t\022\030"
-          + "\n\020product_category\030\004 \001(\t\022@\n\016product_labe"
-          + "ls\030\005 \003(\0132(.google.cloud.vision.v1.Produc"
-          + "t.KeyValue\032&\n\010KeyValue\022\013\n\003key\030\001 \001(\t\022\r\n\005v"
-          + "alue\030\002 \001(\t\"\211\001\n\nProductSet\022\014\n\004name\030\001 \001(\t\022"
-          + "\024\n\014display_name\030\002 \001(\t\022.\n\nindex_time\030\003 \001("
-          + "\0132\032.google.protobuf.Timestamp\022\'\n\013index_e"
-          + "rror\030\004 \001(\0132\022.google.rpc.Status\"i\n\016Refere"
-          + "nceImage\022\014\n\004name\030\001 \001(\t\022\013\n\003uri\030\002 \001(\t\022<\n\016b"
-          + "ounding_polys\030\003 \003(\0132$.google.cloud.visio"
-          + "n.v1.BoundingPoly\"l\n\024CreateProductReques"
-          + "t\022\016\n\006parent\030\001 \001(\t\0220\n\007product\030\002 \001(\0132\037.goo"
-          + "gle.cloud.vision.v1.Product\022\022\n\nproduct_i"
-          + "d\030\003 \001(\t\"L\n\023ListProductsRequest\022\016\n\006parent"
-          + "\030\001 \001(\t\022\021\n\tpage_size\030\002 \001(\005\022\022\n\npage_token\030"
-          + "\003 \001(\t\"b\n\024ListProductsResponse\0221\n\010product"
-          + "s\030\001 \003(\0132\037.google.cloud.vision.v1.Product"
-          + "\022\027\n\017next_page_token\030\002 \001(\t\"!\n\021GetProductR"
-          + "equest\022\014\n\004name\030\001 \001(\t\"y\n\024UpdateProductReq"
-          + "uest\0220\n\007product\030\001 \001(\0132\037.google.cloud.vis"
-          + "ion.v1.Product\022/\n\013update_mask\030\002 \001(\0132\032.go"
-          + "ogle.protobuf.FieldMask\"$\n\024DeleteProduct"
-          + "Request\022\014\n\004name\030\001 \001(\t\"z\n\027CreateProductSe"
-          + "tRequest\022\016\n\006parent\030\001 \001(\t\0227\n\013product_set\030"
-          + "\002 \001(\0132\".google.cloud.vision.v1.ProductSe"
-          + "t\022\026\n\016product_set_id\030\003 \001(\t\"O\n\026ListProduct"
-          + "SetsRequest\022\016\n\006parent\030\001 \001(\t\022\021\n\tpage_size"
-          + "\030\002 \001(\005\022\022\n\npage_token\030\003 \001(\t\"l\n\027ListProduc"
-          + "tSetsResponse\0228\n\014product_sets\030\001 \003(\0132\".go"
-          + "ogle.cloud.vision.v1.ProductSet\022\027\n\017next_"
-          + "page_token\030\002 \001(\t\"$\n\024GetProductSetRequest"
-          + "\022\014\n\004name\030\001 \001(\t\"\203\001\n\027UpdateProductSetReque"
-          + "st\0227\n\013product_set\030\001 \001(\0132\".google.cloud.v"
-          + "ision.v1.ProductSet\022/\n\013update_mask\030\002 \001(\013"
-          + "2\032.google.protobuf.FieldMask\"\'\n\027DeletePr"
-          + "oductSetRequest\022\014\n\004name\030\001 \001(\t\"\212\001\n\033Create"
-          + "ReferenceImageRequest\022\016\n\006parent\030\001 \001(\t\022?\n"
-          + "\017reference_image\030\002 \001(\0132&.google.cloud.vi"
-          + "sion.v1.ReferenceImage\022\032\n\022reference_imag"
-          + "e_id\030\003 \001(\t\"S\n\032ListReferenceImagesRequest"
-          + "\022\016\n\006parent\030\001 \001(\t\022\021\n\tpage_size\030\002 \001(\005\022\022\n\np"
-          + "age_token\030\003 \001(\t\"\213\001\n\033ListReferenceImagesR"
-          + "esponse\022@\n\020reference_images\030\001 \003(\0132&.goog"
-          + "le.cloud.vision.v1.ReferenceImage\022\021\n\tpag"
-          + "e_size\030\002 \001(\005\022\027\n\017next_page_token\030\003 \001(\t\"(\n"
-          + "\030GetReferenceImageRequest\022\014\n\004name\030\001 \001(\t\""
-          + "+\n\033DeleteReferenceImageRequest\022\014\n\004name\030\001"
-          + " \001(\t\">\n\035AddProductToProductSetRequest\022\014\n"
-          + "\004name\030\001 \001(\t\022\017\n\007product\030\002 \001(\t\"C\n\"RemovePr"
-          + "oductFromProductSetRequest\022\014\n\004name\030\001 \001(\t"
-          + "\022\017\n\007product\030\002 \001(\t\"V\n\037ListProductsInProdu"
-          + "ctSetRequest\022\014\n\004name\030\001 \001(\t\022\021\n\tpage_size\030"
-          + "\002 \001(\005\022\022\n\npage_token\030\003 \001(\t\"n\n ListProduct"
-          + "sInProductSetResponse\0221\n\010products\030\001 \003(\0132"
-          + "\037.google.cloud.vision.v1.Product\022\027\n\017next"
-          + "_page_token\030\002 \001(\t\"2\n\032ImportProductSetsGc"
-          + "sSource\022\024\n\014csv_file_uri\030\001 \001(\t\"r\n\034ImportP"
-          + "roductSetsInputConfig\022H\n\ngcs_source\030\001 \001("
-          + "\01322.google.cloud.vision.v1.ImportProduct"
-          + "SetsGcsSourceH\000B\010\n\006source\"v\n\030ImportProdu"
-          + "ctSetsRequest\022\016\n\006parent\030\001 \001(\t\022J\n\014input_c"
-          + "onfig\030\002 \001(\01324.google.cloud.vision.v1.Imp"
-          + "ortProductSetsInputConfig\"\203\001\n\031ImportProd"
-          + "uctSetsResponse\022@\n\020reference_images\030\001 \003("
-          + "\0132&.google.cloud.vision.v1.ReferenceImag"
-          + "e\022$\n\010statuses\030\002 \003(\0132\022.google.rpc.Status\""
-          + "\227\002\n\026BatchOperationMetadata\022C\n\005state\030\001 \001("
-          + "\01624.google.cloud.vision.v1.BatchOperatio"
-          + "nMetadata.State\022/\n\013submit_time\030\002 \001(\0132\032.g"
-          + "oogle.protobuf.Timestamp\022,\n\010end_time\030\003 \001"
-          + "(\0132\032.google.protobuf.Timestamp\"Y\n\005State\022"
-          + "\025\n\021STATE_UNSPECIFIED\020\000\022\016\n\nPROCESSING\020\001\022\016"
-          + "\n\nSUCCESSFUL\020\002\022\n\n\006FAILED\020\003\022\r\n\tCANCELLED\020"
-          + "\004\"/\n\025ProductSetPurgeConfig\022\026\n\016product_se"
-          + "t_id\030\001 \001(\t\"\264\001\n\024PurgeProductsRequest\022Q\n\030p"
-          + "roduct_set_purge_config\030\002 \001(\0132-.google.c"
-          + "loud.vision.v1.ProductSetPurgeConfigH\000\022 "
-          + "\n\026delete_orphan_products\030\003 \001(\010H\000\022\016\n\006pare"
-          + "nt\030\001 \001(\t\022\r\n\005force\030\004 \001(\010B\010\n\006target2\345\032\n\rPr"
-          + "oductSearch\022\255\001\n\020CreateProductSet\022/.googl"
-          + "e.cloud.vision.v1.CreateProductSetReques"
-          + "t\032\".google.cloud.vision.v1.ProductSet\"D\202"
-          + "\323\344\223\002>\"//v1/{parent=projects/*/locations/"
-          + "*}/productSets:\013product_set\022\253\001\n\017ListProd"
-          + "uctSets\022..google.cloud.vision.v1.ListPro"
-          + "ductSetsRequest\032/.google.cloud.vision.v1"
-          + ".ListProductSetsResponse\"7\202\323\344\223\0021\022//v1/{p"
-          + "arent=projects/*/locations/*}/productSet"
-          + "s\022\232\001\n\rGetProductSet\022,.google.cloud.visio"
-          + "n.v1.GetProductSetRequest\032\".google.cloud"
-          + ".vision.v1.ProductSet\"7\202\323\344\223\0021\022//v1/{name"
-          + "=projects/*/locations/*/productSets/*}\022\271"
-          + "\001\n\020UpdateProductSet\022/.google.cloud.visio"
-          + "n.v1.UpdateProductSetRequest\032\".google.cl"
-          + "oud.vision.v1.ProductSet\"P\202\323\344\223\002J2;/v1/{p"
-          + "roduct_set.name=projects/*/locations/*/p"
-          + "roductSets/*}:\013product_set\022\224\001\n\020DeletePro"
-          + "ductSet\022/.google.cloud.vision.v1.DeleteP"
-          + "roductSetRequest\032\026.google.protobuf.Empty"
-          + "\"7\202\323\344\223\0021*//v1/{name=projects/*/locations"
-          + "/*/productSets/*}\022\235\001\n\rCreateProduct\022,.go"
-          + "ogle.cloud.vision.v1.CreateProductReques"
-          + "t\032\037.google.cloud.vision.v1.Product\"=\202\323\344\223"
-          + "\0027\",/v1/{parent=projects/*/locations/*}/"
-          + "products:\007product\022\237\001\n\014ListProducts\022+.goo"
-          + "gle.cloud.vision.v1.ListProductsRequest\032"
-          + ",.google.cloud.vision.v1.ListProductsRes"
-          + "ponse\"4\202\323\344\223\002.\022,/v1/{parent=projects/*/lo"
-          + "cations/*}/products\022\216\001\n\nGetProduct\022).goo"
-          + "gle.cloud.vision.v1.GetProductRequest\032\037."
-          + "google.cloud.vision.v1.Product\"4\202\323\344\223\002.\022,"
-          + "/v1/{name=projects/*/locations/*/product"
-          + "s/*}\022\245\001\n\rUpdateProduct\022,.google.cloud.vi"
-          + "sion.v1.UpdateProductRequest\032\037.google.cl"
-          + "oud.vision.v1.Product\"E\202\323\344\223\002?24/v1/{prod"
-          + "uct.name=projects/*/locations/*/products"
-          + "/*}:\007product\022\213\001\n\rDeleteProduct\022,.google."
-          + "cloud.vision.v1.DeleteProductRequest\032\026.g"
-          + "oogle.protobuf.Empty\"4\202\323\344\223\002.*,/v1/{name="
-          + "projects/*/locations/*/products/*}\022\314\001\n\024C"
-          + "reateReferenceImage\0223.google.cloud.visio"
-          + "n.v1.CreateReferenceImageRequest\032&.googl"
-          + "e.cloud.vision.v1.ReferenceImage\"W\202\323\344\223\002Q"
-          + "\">/v1/{parent=projects/*/locations/*/pro"
-          + "ducts/*}/referenceImages:\017reference_imag"
-          + "e\022\253\001\n\024DeleteReferenceImage\0223.google.clou"
-          + "d.vision.v1.DeleteReferenceImageRequest\032"
-          + "\026.google.protobuf.Empty\"F\202\323\344\223\002@*>/v1/{na"
-          + "me=projects/*/locations/*/products/*/ref"
-          + "erenceImages/*}\022\306\001\n\023ListReferenceImages\022"
-          + "2.google.cloud.vision.v1.ListReferenceIm"
-          + "agesRequest\0323.google.cloud.vision.v1.Lis"
-          + "tReferenceImagesResponse\"F\202\323\344\223\002@\022>/v1/{p"
-          + "arent=projects/*/locations/*/products/*}"
-          + "/referenceImages\022\265\001\n\021GetReferenceImage\0220"
-          + ".google.cloud.vision.v1.GetReferenceImag"
-          + "eRequest\032&.google.cloud.vision.v1.Refere"
-          + "nceImage\"F\202\323\344\223\002@\022>/v1/{name=projects/*/l"
-          + "ocations/*/products/*/referenceImages/*}"
-          + "\022\256\001\n\026AddProductToProductSet\0225.google.clo"
-          + "ud.vision.v1.AddProductToProductSetReque"
-          + "st\032\026.google.protobuf.Empty\"E\202\323\344\223\002?\":/v1/"
-          + "{name=projects/*/locations/*/productSets"
-          + "/*}:addProduct:\001*\022\273\001\n\033RemoveProductFromP"
-          + "roductSet\022:.google.cloud.vision.v1.Remov"
-          + "eProductFromProductSetRequest\032\026.google.p"
-          + "rotobuf.Empty\"H\202\323\344\223\002B\"=/v1/{name=project"
-          + "s/*/locations/*/productSets/*}:removePro"
-          + "duct:\001*\022\317\001\n\030ListProductsInProductSet\0227.g"
-          + "oogle.cloud.vision.v1.ListProductsInProd"
-          + "uctSetRequest\0328.google.cloud.vision.v1.L"
-          + "istProductsInProductSetResponse\"@\202\323\344\223\002:\022"
-          + "8/v1/{name=projects/*/locations/*/produc"
-          + "tSets/*}/products\022\247\001\n\021ImportProductSets\022"
-          + "0.google.cloud.vision.v1.ImportProductSe"
-          + "tsRequest\032\035.google.longrunning.Operation"
-          + "\"A\202\323\344\223\002;\"6/v1/{parent=projects/*/locatio"
-          + "ns/*}/productSets:import:\001*\022\233\001\n\rPurgePro"
-          + "ducts\022,.google.cloud.vision.v1.PurgeProd"
-          + "uctsRequest\032\035.google.longrunning.Operati"
-          + "on\"=\202\323\344\223\0027\"2/v1/{parent=projects/*/locat"
-          + "ions/*}/products:purge:\001*\032v\312A\025vision.goo"
-          + "gleapis.com\322A[https://www.googleapis.com"
-          + "/auth/cloud-platform,https://www.googlea"
-          + "pis.com/auth/cloud-visionB\201\001\n\032com.google"
-          + ".cloud.vision.v1B\031ProductSearchServicePr"
-          + "otoP\001Z<google.golang.org/genproto/google"
-          + "apis/cloud/vision/v1;vision\370\001\001\242\002\004GCVNb\006p"
-          + "roto3"
+          + "client.proto\032\037google/api/field_behavior."
+          + "proto\032\031google/api/resource.proto\032%google"
+          + "/cloud/vision/v1/geometry.proto\032#google/"
+          + "longrunning/operations.proto\032\033google/pro"
+          + "tobuf/empty.proto\032 google/protobuf/field"
+          + "_mask.proto\032\037google/protobuf/timestamp.p"
+          + "roto\032\027google/rpc/status.proto\"\253\002\n\007Produc"
+          + "t\022\014\n\004name\030\001 \001(\t\022\024\n\014display_name\030\002 \001(\t\022\023\n"
+          + "\013description\030\003 \001(\t\022\035\n\020product_category\030\004"
+          + " \001(\tB\003\340A\005\022@\n\016product_labels\030\005 \003(\0132(.goog"
+          + "le.cloud.vision.v1.Product.KeyValue\032&\n\010K"
+          + "eyValue\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:^\352A["
+          + "\n\035vision.googleapis.com/Product\022:project"
+          + "s/{project}/locations/{location}/product"
+          + "s/{product}\"\375\001\n\nProductSet\022\014\n\004name\030\001 \001(\t"
+          + "\022\024\n\014display_name\030\002 \001(\t\0223\n\nindex_time\030\003 \001"
+          + "(\0132\032.google.protobuf.TimestampB\003\340A\003\022,\n\013i"
+          + "ndex_error\030\004 \001(\0132\022.google.rpc.StatusB\003\340A"
+          + "\003:h\352Ae\n vision.googleapis.com/ProductSet"
+          + "\022Aprojects/{project}/locations/{location"
+          + "}/productSets/{product_set}\"\376\001\n\016Referenc"
+          + "eImage\022\014\n\004name\030\001 \001(\t\022\020\n\003uri\030\002 \001(\tB\003\340A\002\022A"
+          + "\n\016bounding_polys\030\003 \003(\0132$.google.cloud.vi"
+          + "sion.v1.BoundingPolyB\003\340A\001:\210\001\352A\204\001\n$vision"
+          + ".googleapis.com/ReferenceImage\022\\projects"
+          + "/{project}/locations/{location}/products"
+          + "/{product}/referenceImages/{reference_im"
+          + "age}\"\234\001\n\024CreateProductRequest\0229\n\006parent\030"
+          + "\001 \001(\tB)\340A\002\372A#\n!locations.googleapis.com/"
+          + "Location\0225\n\007product\030\002 \001(\0132\037.google.cloud"
+          + ".vision.v1.ProductB\003\340A\002\022\022\n\nproduct_id\030\003 "
+          + "\001(\t\"w\n\023ListProductsRequest\0229\n\006parent\030\001 \001"
+          + "(\tB)\340A\002\372A#\n!locations.googleapis.com/Loc"
+          + "ation\022\021\n\tpage_size\030\002 \001(\005\022\022\n\npage_token\030\003"
+          + " \001(\t\"b\n\024ListProductsResponse\0221\n\010products"
+          + "\030\001 \003(\0132\037.google.cloud.vision.v1.Product\022"
+          + "\027\n\017next_page_token\030\002 \001(\t\"H\n\021GetProductRe"
+          + "quest\0223\n\004name\030\001 \001(\tB%\340A\002\372A\037\n\035vision.goog"
+          + "leapis.com/Product\"~\n\024UpdateProductReque"
+          + "st\0225\n\007product\030\001 \001(\0132\037.google.cloud.visio"
+          + "n.v1.ProductB\003\340A\002\022/\n\013update_mask\030\002 \001(\0132\032"
+          + ".google.protobuf.FieldMask\"K\n\024DeleteProd"
+          + "uctRequest\0223\n\004name\030\001 \001(\tB%\340A\002\372A\037\n\035vision"
+          + ".googleapis.com/Product\"\252\001\n\027CreateProduc"
+          + "tSetRequest\0229\n\006parent\030\001 \001(\tB)\340A\002\372A#\n!loc"
+          + "ations.googleapis.com/Location\022<\n\013produc"
+          + "t_set\030\002 \001(\0132\".google.cloud.vision.v1.Pro"
+          + "ductSetB\003\340A\002\022\026\n\016product_set_id\030\003 \001(\t\"z\n\026"
+          + "ListProductSetsRequest\0229\n\006parent\030\001 \001(\tB)"
+          + "\340A\002\372A#\n!locations.googleapis.com/Locatio"
+          + "n\022\021\n\tpage_size\030\002 \001(\005\022\022\n\npage_token\030\003 \001(\t"
+          + "\"l\n\027ListProductSetsResponse\0228\n\014product_s"
+          + "ets\030\001 \003(\0132\".google.cloud.vision.v1.Produ"
+          + "ctSet\022\027\n\017next_page_token\030\002 \001(\t\"N\n\024GetPro"
+          + "ductSetRequest\0226\n\004name\030\001 \001(\tB(\340A\002\372A\"\n vi"
+          + "sion.googleapis.com/ProductSet\"\210\001\n\027Updat"
+          + "eProductSetRequest\022<\n\013product_set\030\001 \001(\0132"
+          + "\".google.cloud.vision.v1.ProductSetB\003\340A\002"
+          + "\022/\n\013update_mask\030\002 \001(\0132\032.google.protobuf."
+          + "FieldMask\"Q\n\027DeleteProductSetRequest\0226\n\004"
+          + "name\030\001 \001(\tB(\340A\002\372A\"\n vision.googleapis.co"
+          + "m/ProductSet\"\266\001\n\033CreateReferenceImageReq"
+          + "uest\0225\n\006parent\030\001 \001(\tB%\340A\002\372A\037\n\035vision.goo"
+          + "gleapis.com/Product\022D\n\017reference_image\030\002"
+          + " \001(\0132&.google.cloud.vision.v1.ReferenceI"
+          + "mageB\003\340A\002\022\032\n\022reference_image_id\030\003 \001(\t\"z\n"
+          + "\032ListReferenceImagesRequest\0225\n\006parent\030\001 "
+          + "\001(\tB%\340A\002\372A\037\n\035vision.googleapis.com/Produ"
+          + "ct\022\021\n\tpage_size\030\002 \001(\005\022\022\n\npage_token\030\003 \001("
+          + "\t\"\213\001\n\033ListReferenceImagesResponse\022@\n\020ref"
+          + "erence_images\030\001 \003(\0132&.google.cloud.visio"
+          + "n.v1.ReferenceImage\022\021\n\tpage_size\030\002 \001(\005\022\027"
+          + "\n\017next_page_token\030\003 \001(\t\"V\n\030GetReferenceI"
+          + "mageRequest\022:\n\004name\030\001 \001(\tB,\340A\002\372A&\n$visio"
+          + "n.googleapis.com/ReferenceImage\"Y\n\033Delet"
+          + "eReferenceImageRequest\022:\n\004name\030\001 \001(\tB,\340A"
+          + "\002\372A&\n$vision.googleapis.com/ReferenceIma"
+          + "ge\"\217\001\n\035AddProductToProductSetRequest\0226\n\004"
+          + "name\030\001 \001(\tB(\340A\002\372A\"\n vision.googleapis.co"
+          + "m/ProductSet\0226\n\007product\030\002 \001(\tB%\340A\002\372A\037\n\035v"
+          + "ision.googleapis.com/Product\"\224\001\n\"RemoveP"
+          + "roductFromProductSetRequest\0226\n\004name\030\001 \001("
+          + "\tB(\340A\002\372A\"\n vision.googleapis.com/Product"
+          + "Set\0226\n\007product\030\002 \001(\tB%\340A\002\372A\037\n\035vision.goo"
+          + "gleapis.com/Product\"\200\001\n\037ListProductsInPr"
+          + "oductSetRequest\0226\n\004name\030\001 \001(\tB(\340A\002\372A\"\n v"
+          + "ision.googleapis.com/ProductSet\022\021\n\tpage_"
+          + "size\030\002 \001(\005\022\022\n\npage_token\030\003 \001(\t\"n\n ListPr"
+          + "oductsInProductSetResponse\0221\n\010products\030\001"
+          + " \003(\0132\037.google.cloud.vision.v1.Product\022\027\n"
+          + "\017next_page_token\030\002 \001(\t\"2\n\032ImportProductS"
+          + "etsGcsSource\022\024\n\014csv_file_uri\030\001 \001(\t\"r\n\034Im"
+          + "portProductSetsInputConfig\022H\n\ngcs_source"
+          + "\030\001 \001(\01322.google.cloud.vision.v1.ImportPr"
+          + "oductSetsGcsSourceH\000B\010\n\006source\"\246\001\n\030Impor"
+          + "tProductSetsRequest\0229\n\006parent\030\001 \001(\tB)\340A\002"
+          + "\372A#\n!locations.googleapis.com/Location\022O"
+          + "\n\014input_config\030\002 \001(\01324.google.cloud.visi"
+          + "on.v1.ImportProductSetsInputConfigB\003\340A\002\""
+          + "\203\001\n\031ImportProductSetsResponse\022@\n\020referen"
+          + "ce_images\030\001 \003(\0132&.google.cloud.vision.v1"
+          + ".ReferenceImage\022$\n\010statuses\030\002 \003(\0132\022.goog"
+          + "le.rpc.Status\"\227\002\n\026BatchOperationMetadata"
+          + "\022C\n\005state\030\001 \001(\01624.google.cloud.vision.v1"
+          + ".BatchOperationMetadata.State\022/\n\013submit_"
+          + "time\030\002 \001(\0132\032.google.protobuf.Timestamp\022,"
+          + "\n\010end_time\030\003 \001(\0132\032.google.protobuf.Times"
+          + "tamp\"Y\n\005State\022\025\n\021STATE_UNSPECIFIED\020\000\022\016\n\n"
+          + "PROCESSING\020\001\022\016\n\nSUCCESSFUL\020\002\022\n\n\006FAILED\020\003"
+          + "\022\r\n\tCANCELLED\020\004\"/\n\025ProductSetPurgeConfig"
+          + "\022\026\n\016product_set_id\030\001 \001(\t\"\337\001\n\024PurgeProduc"
+          + "tsRequest\022Q\n\030product_set_purge_config\030\002 "
+          + "\001(\0132-.google.cloud.vision.v1.ProductSetP"
+          + "urgeConfigH\000\022 \n\026delete_orphan_products\030\003"
+          + " \001(\010H\000\0229\n\006parent\030\001 \001(\tB)\340A\002\372A#\n!location"
+          + "s.googleapis.com/Location\022\r\n\005force\030\004 \001(\010"
+          + "B\010\n\006target2\355\035\n\rProductSearch\022\321\001\n\020CreateP"
+          + "roductSet\022/.google.cloud.vision.v1.Creat"
+          + "eProductSetRequest\032\".google.cloud.vision"
+          + ".v1.ProductSet\"h\202\323\344\223\002>\"//v1/{parent=proj"
+          + "ects/*/locations/*}/productSets:\013product"
+          + "_set\332A!parent,product_set,product_set_id"
+          + "\022\264\001\n\017ListProductSets\022..google.cloud.visi"
+          + "on.v1.ListProductSetsRequest\032/.google.cl"
+          + "oud.vision.v1.ListProductSetsResponse\"@\202"
+          + "\323\344\223\0021\022//v1/{parent=projects/*/locations/"
+          + "*}/productSets\332A\006parent\022\241\001\n\rGetProductSe"
+          + "t\022,.google.cloud.vision.v1.GetProductSet"
+          + "Request\032\".google.cloud.vision.v1.Product"
+          + "Set\">\202\323\344\223\0021\022//v1/{name=projects/*/locati"
+          + "ons/*/productSets/*}\332A\004name\022\323\001\n\020UpdatePr"
+          + "oductSet\022/.google.cloud.vision.v1.Update"
+          + "ProductSetRequest\032\".google.cloud.vision."
+          + "v1.ProductSet\"j\202\323\344\223\002J2;/v1/{product_set."
+          + "name=projects/*/locations/*/productSets/"
+          + "*}:\013product_set\332A\027product_set,update_mas"
+          + "k\022\233\001\n\020DeleteProductSet\022/.google.cloud.vi"
+          + "sion.v1.DeleteProductSetRequest\032\026.google"
+          + ".protobuf.Empty\">\202\323\344\223\0021*//v1/{name=proje"
+          + "cts/*/locations/*/productSets/*}\332A\004name\022"
+          + "\271\001\n\rCreateProduct\022,.google.cloud.vision."
+          + "v1.CreateProductRequest\032\037.google.cloud.v"
+          + "ision.v1.Product\"Y\202\323\344\223\0027\",/v1/{parent=pr"
+          + "ojects/*/locations/*}/products:\007product\332"
+          + "A\031parent,product,product_id\022\250\001\n\014ListProd"
+          + "ucts\022+.google.cloud.vision.v1.ListProduc"
+          + "tsRequest\032,.google.cloud.vision.v1.ListP"
+          + "roductsResponse\"=\202\323\344\223\002.\022,/v1/{parent=pro"
+          + "jects/*/locations/*}/products\332A\006parent\022\225"
+          + "\001\n\nGetProduct\022).google.cloud.vision.v1.G"
+          + "etProductRequest\032\037.google.cloud.vision.v"
+          + "1.Product\";\202\323\344\223\002.\022,/v1/{name=projects/*/"
+          + "locations/*/products/*}\332A\004name\022\273\001\n\rUpdat"
+          + "eProduct\022,.google.cloud.vision.v1.Update"
+          + "ProductRequest\032\037.google.cloud.vision.v1."
+          + "Product\"[\202\323\344\223\002?24/v1/{product.name=proje"
+          + "cts/*/locations/*/products/*}:\007product\332A"
+          + "\023product,update_mask\022\222\001\n\rDeleteProduct\022,"
+          + ".google.cloud.vision.v1.DeleteProductReq"
+          + "uest\032\026.google.protobuf.Empty\";\202\323\344\223\002.*,/v"
+          + "1/{name=projects/*/locations/*/products/"
+          + "*}\332A\004name\022\371\001\n\024CreateReferenceImage\0223.goo"
+          + "gle.cloud.vision.v1.CreateReferenceImage"
+          + "Request\032&.google.cloud.vision.v1.Referen"
+          + "ceImage\"\203\001\202\323\344\223\002Q\">/v1/{parent=projects/*"
+          + "/locations/*/products/*}/referenceImages"
+          + ":\017reference_image\332A)parent,reference_ima"
+          + "ge,reference_image_id\022\262\001\n\024DeleteReferenc"
+          + "eImage\0223.google.cloud.vision.v1.DeleteRe"
+          + "ferenceImageRequest\032\026.google.protobuf.Em"
+          + "pty\"M\202\323\344\223\002@*>/v1/{name=projects/*/locati"
+          + "ons/*/products/*/referenceImages/*}\332A\004na"
+          + "me\022\317\001\n\023ListReferenceImages\0222.google.clou"
+          + "d.vision.v1.ListReferenceImagesRequest\0323"
+          + ".google.cloud.vision.v1.ListReferenceIma"
+          + "gesResponse\"O\202\323\344\223\002@\022>/v1/{parent=project"
+          + "s/*/locations/*/products/*}/referenceIma"
+          + "ges\332A\006parent\022\265\001\n\021GetReferenceImage\0220.goo"
+          + "gle.cloud.vision.v1.GetReferenceImageReq"
+          + "uest\032&.google.cloud.vision.v1.ReferenceI"
+          + "mage\"F\202\323\344\223\002@\022>/v1/{name=projects/*/locat"
+          + "ions/*/products/*/referenceImages/*}\022\275\001\n"
+          + "\026AddProductToProductSet\0225.google.cloud.v"
+          + "ision.v1.AddProductToProductSetRequest\032\026"
+          + ".google.protobuf.Empty\"T\202\323\344\223\002?\":/v1/{nam"
+          + "e=projects/*/locations/*/productSets/*}:"
+          + "addProduct:\001*\332A\014name,product\022\312\001\n\033RemoveP"
+          + "roductFromProductSet\022:.google.cloud.visi"
+          + "on.v1.RemoveProductFromProductSetRequest"
+          + "\032\026.google.protobuf.Empty\"W\202\323\344\223\002B\"=/v1/{n"
+          + "ame=projects/*/locations/*/productSets/*"
+          + "}:removeProduct:\001*\332A\014name,product\022\326\001\n\030Li"
+          + "stProductsInProductSet\0227.google.cloud.vi"
+          + "sion.v1.ListProductsInProductSetRequest\032"
+          + "8.google.cloud.vision.v1.ListProductsInP"
+          + "roductSetResponse\"G\202\323\344\223\002:\0228/v1/{name=pro"
+          + "jects/*/locations/*/productSets/*}/produ"
+          + "cts\332A\004name\022\364\001\n\021ImportProductSets\0220.googl"
+          + "e.cloud.vision.v1.ImportProductSetsReque"
+          + "st\032\035.google.longrunning.Operation\"\215\001\202\323\344\223"
+          + "\002;\"6/v1/{parent=projects/*/locations/*}/"
+          + "productSets:import:\001*\332A\023parent,input_con"
+          + "fig\312A3\n\031ImportProductSetsResponse\022\026Batch"
+          + "OperationMetadata\022\326\001\n\rPurgeProducts\022,.go"
+          + "ogle.cloud.vision.v1.PurgeProductsReques"
+          + "t\032\035.google.longrunning.Operation\"x\202\323\344\223\0027"
+          + "\"2/v1/{parent=projects/*/locations/*}/pr"
+          + "oducts:purge:\001*\332A\006parent\312A/\n\025google.prot"
+          + "obuf.Empty\022\026BatchOperationMetadata\032v\312A\025v"
+          + "ision.googleapis.com\322A[https://www.googl"
+          + "eapis.com/auth/cloud-platform,https://ww"
+          + "w.googleapis.com/auth/cloud-visionB\201\001\n\032c"
+          + "om.google.cloud.vision.v1B\031ProductSearch"
+          + "ServiceProtoP\001Z<google.golang.org/genpro"
+          + "to/googleapis/cloud/vision/v1;vision\370\001\001\242"
+          + "\002\004GCVNb\006proto3"
     };
     com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
         new com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner() {
@@ -341,6 +382,8 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
         new com.google.protobuf.Descriptors.FileDescriptor[] {
           com.google.api.AnnotationsProto.getDescriptor(),
           com.google.api.ClientProto.getDescriptor(),
+          com.google.api.FieldBehaviorProto.getDescriptor(),
+          com.google.api.ResourceProto.getDescriptor(),
           com.google.cloud.vision.v1.GeometryProto.getDescriptor(),
           com.google.longrunning.OperationsProto.getDescriptor(),
           com.google.protobuf.EmptyProto.getDescriptor(),
@@ -608,12 +651,19 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.ClientProto.defaultHost);
+    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
     registry.add(com.google.api.AnnotationsProto.http);
+    registry.add(com.google.api.ClientProto.methodSignature);
     registry.add(com.google.api.ClientProto.oauthScopes);
+    registry.add(com.google.api.ResourceProto.resource);
+    registry.add(com.google.api.ResourceProto.resourceReference);
+    registry.add(com.google.longrunning.OperationsProto.operationInfo);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
     com.google.api.AnnotationsProto.getDescriptor();
     com.google.api.ClientProto.getDescriptor();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
     com.google.cloud.vision.v1.GeometryProto.getDescriptor();
     com.google.longrunning.OperationsProto.getDescriptor();
     com.google.protobuf.EmptyProto.getDescriptor();
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSet.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSet.java
index 638c9bfe3cc6..2b9f6329e505 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSet.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSet.java
@@ -237,7 +237,8 @@ public com.google.protobuf.ByteString getDisplayNameBytes() {
    * This field is ignored when creating a ProductSet.
    * </pre>
    *
-   * <code>.google.protobuf.Timestamp index_time = 3;</code>
+   * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
    */
   public boolean hasIndexTime() {
     return indexTime_ != null;
@@ -253,7 +254,8 @@ public boolean hasIndexTime() {
    * This field is ignored when creating a ProductSet.
    * </pre>
    *
-   * <code>.google.protobuf.Timestamp index_time = 3;</code>
+   * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
    */
   public com.google.protobuf.Timestamp getIndexTime() {
     return indexTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : indexTime_;
@@ -269,7 +271,8 @@ public com.google.protobuf.Timestamp getIndexTime() {
    * This field is ignored when creating a ProductSet.
    * </pre>
    *
-   * <code>.google.protobuf.Timestamp index_time = 3;</code>
+   * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
    */
   public com.google.protobuf.TimestampOrBuilder getIndexTimeOrBuilder() {
     return getIndexTime();
@@ -286,7 +289,7 @@ public com.google.protobuf.TimestampOrBuilder getIndexTimeOrBuilder() {
    * This field is ignored when creating a ProductSet.
    * </pre>
    *
-   * <code>.google.rpc.Status index_error = 4;</code>
+   * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
    */
   public boolean hasIndexError() {
     return indexError_ != null;
@@ -300,7 +303,7 @@ public boolean hasIndexError() {
    * This field is ignored when creating a ProductSet.
    * </pre>
    *
-   * <code>.google.rpc.Status index_error = 4;</code>
+   * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
    */
   public com.google.rpc.Status getIndexError() {
     return indexError_ == null ? com.google.rpc.Status.getDefaultInstance() : indexError_;
@@ -314,7 +317,7 @@ public com.google.rpc.Status getIndexError() {
    * This field is ignored when creating a ProductSet.
    * </pre>
    *
-   * <code>.google.rpc.Status index_error = 4;</code>
+   * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
    */
   public com.google.rpc.StatusOrBuilder getIndexErrorOrBuilder() {
     return getIndexError();
@@ -933,7 +936,8 @@ public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.protobuf.Timestamp index_time = 3;</code>
+     * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
     public boolean hasIndexTime() {
       return indexTimeBuilder_ != null || indexTime_ != null;
@@ -949,7 +953,8 @@ public boolean hasIndexTime() {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.protobuf.Timestamp index_time = 3;</code>
+     * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
     public com.google.protobuf.Timestamp getIndexTime() {
       if (indexTimeBuilder_ == null) {
@@ -969,7 +974,8 @@ public com.google.protobuf.Timestamp getIndexTime() {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.protobuf.Timestamp index_time = 3;</code>
+     * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
     public Builder setIndexTime(com.google.protobuf.Timestamp value) {
       if (indexTimeBuilder_ == null) {
@@ -995,7 +1001,8 @@ public Builder setIndexTime(com.google.protobuf.Timestamp value) {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.protobuf.Timestamp index_time = 3;</code>
+     * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
     public Builder setIndexTime(com.google.protobuf.Timestamp.Builder builderForValue) {
       if (indexTimeBuilder_ == null) {
@@ -1018,7 +1025,8 @@ public Builder setIndexTime(com.google.protobuf.Timestamp.Builder builderForValu
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.protobuf.Timestamp index_time = 3;</code>
+     * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
     public Builder mergeIndexTime(com.google.protobuf.Timestamp value) {
       if (indexTimeBuilder_ == null) {
@@ -1046,7 +1054,8 @@ public Builder mergeIndexTime(com.google.protobuf.Timestamp value) {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.protobuf.Timestamp index_time = 3;</code>
+     * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
     public Builder clearIndexTime() {
       if (indexTimeBuilder_ == null) {
@@ -1070,7 +1079,8 @@ public Builder clearIndexTime() {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.protobuf.Timestamp index_time = 3;</code>
+     * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
     public com.google.protobuf.Timestamp.Builder getIndexTimeBuilder() {
 
@@ -1088,7 +1098,8 @@ public com.google.protobuf.Timestamp.Builder getIndexTimeBuilder() {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.protobuf.Timestamp index_time = 3;</code>
+     * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
     public com.google.protobuf.TimestampOrBuilder getIndexTimeOrBuilder() {
       if (indexTimeBuilder_ != null) {
@@ -1108,7 +1119,8 @@ public com.google.protobuf.TimestampOrBuilder getIndexTimeOrBuilder() {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.protobuf.Timestamp index_time = 3;</code>
+     * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.protobuf.Timestamp,
@@ -1140,7 +1152,7 @@ public com.google.protobuf.TimestampOrBuilder getIndexTimeOrBuilder() {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.rpc.Status index_error = 4;</code>
+     * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      */
     public boolean hasIndexError() {
       return indexErrorBuilder_ != null || indexError_ != null;
@@ -1154,7 +1166,7 @@ public boolean hasIndexError() {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.rpc.Status index_error = 4;</code>
+     * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      */
     public com.google.rpc.Status getIndexError() {
       if (indexErrorBuilder_ == null) {
@@ -1172,7 +1184,7 @@ public com.google.rpc.Status getIndexError() {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.rpc.Status index_error = 4;</code>
+     * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      */
     public Builder setIndexError(com.google.rpc.Status value) {
       if (indexErrorBuilder_ == null) {
@@ -1196,7 +1208,7 @@ public Builder setIndexError(com.google.rpc.Status value) {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.rpc.Status index_error = 4;</code>
+     * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      */
     public Builder setIndexError(com.google.rpc.Status.Builder builderForValue) {
       if (indexErrorBuilder_ == null) {
@@ -1217,7 +1229,7 @@ public Builder setIndexError(com.google.rpc.Status.Builder builderForValue) {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.rpc.Status index_error = 4;</code>
+     * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      */
     public Builder mergeIndexError(com.google.rpc.Status value) {
       if (indexErrorBuilder_ == null) {
@@ -1243,7 +1255,7 @@ public Builder mergeIndexError(com.google.rpc.Status value) {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.rpc.Status index_error = 4;</code>
+     * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      */
     public Builder clearIndexError() {
       if (indexErrorBuilder_ == null) {
@@ -1265,7 +1277,7 @@ public Builder clearIndexError() {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.rpc.Status index_error = 4;</code>
+     * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      */
     public com.google.rpc.Status.Builder getIndexErrorBuilder() {
 
@@ -1281,7 +1293,7 @@ public com.google.rpc.Status.Builder getIndexErrorBuilder() {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.rpc.Status index_error = 4;</code>
+     * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      */
     public com.google.rpc.StatusOrBuilder getIndexErrorOrBuilder() {
       if (indexErrorBuilder_ != null) {
@@ -1299,7 +1311,7 @@ public com.google.rpc.StatusOrBuilder getIndexErrorOrBuilder() {
      * This field is ignored when creating a ProductSet.
      * </pre>
      *
-     * <code>.google.rpc.Status index_error = 4;</code>
+     * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      */
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.rpc.Status, com.google.rpc.Status.Builder, com.google.rpc.StatusOrBuilder>
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSetOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSetOrBuilder.java
index aa234f1a847e..3ef29ae1ce5e 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSetOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSetOrBuilder.java
@@ -69,7 +69,8 @@ public interface ProductSetOrBuilder
    * This field is ignored when creating a ProductSet.
    * </pre>
    *
-   * <code>.google.protobuf.Timestamp index_time = 3;</code>
+   * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
    */
   boolean hasIndexTime();
   /**
@@ -83,7 +84,8 @@ public interface ProductSetOrBuilder
    * This field is ignored when creating a ProductSet.
    * </pre>
    *
-   * <code>.google.protobuf.Timestamp index_time = 3;</code>
+   * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
    */
   com.google.protobuf.Timestamp getIndexTime();
   /**
@@ -97,7 +99,8 @@ public interface ProductSetOrBuilder
    * This field is ignored when creating a ProductSet.
    * </pre>
    *
-   * <code>.google.protobuf.Timestamp index_time = 3;</code>
+   * <code>.google.protobuf.Timestamp index_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
    */
   com.google.protobuf.TimestampOrBuilder getIndexTimeOrBuilder();
 
@@ -110,7 +113,7 @@ public interface ProductSetOrBuilder
    * This field is ignored when creating a ProductSet.
    * </pre>
    *
-   * <code>.google.rpc.Status index_error = 4;</code>
+   * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
    */
   boolean hasIndexError();
   /**
@@ -122,7 +125,7 @@ public interface ProductSetOrBuilder
    * This field is ignored when creating a ProductSet.
    * </pre>
    *
-   * <code>.google.rpc.Status index_error = 4;</code>
+   * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
    */
   com.google.rpc.Status getIndexError();
   /**
@@ -134,7 +137,7 @@ public interface ProductSetOrBuilder
    * This field is ignored when creating a ProductSet.
    * </pre>
    *
-   * <code>.google.rpc.Status index_error = 4;</code>
+   * <code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
    */
   com.google.rpc.StatusOrBuilder getIndexErrorOrBuilder();
 }
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/PurgeProductsRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/PurgeProductsRequest.java
index d8690489652e..7465cac3827a 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/PurgeProductsRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/PurgeProductsRequest.java
@@ -228,11 +228,13 @@ public boolean getDeleteOrphanProducts() {
    *
    *
    * <pre>
-   * The project and location in which the Products should be deleted.
+   * Required. The project and location in which the Products should be deleted.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getParent() {
     java.lang.Object ref = parent_;
@@ -249,11 +251,13 @@ public java.lang.String getParent() {
    *
    *
    * <pre>
-   * The project and location in which the Products should be deleted.
+   * Required. The project and location in which the Products should be deleted.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getParentBytes() {
     java.lang.Object ref = parent_;
@@ -959,11 +963,13 @@ public Builder clearDeleteOrphanProducts() {
      *
      *
      * <pre>
-     * The project and location in which the Products should be deleted.
+     * Required. The project and location in which the Products should be deleted.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getParent() {
       java.lang.Object ref = parent_;
@@ -980,11 +986,13 @@ public java.lang.String getParent() {
      *
      *
      * <pre>
-     * The project and location in which the Products should be deleted.
+     * Required. The project and location in which the Products should be deleted.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getParentBytes() {
       java.lang.Object ref = parent_;
@@ -1001,11 +1009,13 @@ public com.google.protobuf.ByteString getParentBytes() {
      *
      *
      * <pre>
-     * The project and location in which the Products should be deleted.
+     * Required. The project and location in which the Products should be deleted.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParent(java.lang.String value) {
       if (value == null) {
@@ -1020,11 +1030,13 @@ public Builder setParent(java.lang.String value) {
      *
      *
      * <pre>
-     * The project and location in which the Products should be deleted.
+     * Required. The project and location in which the Products should be deleted.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearParent() {
 
@@ -1036,11 +1048,13 @@ public Builder clearParent() {
      *
      *
      * <pre>
-     * The project and location in which the Products should be deleted.
+     * Required. The project and location in which the Products should be deleted.
      * Format is `projects/PROJECT_ID/locations/LOC_ID`.
      * </pre>
      *
-     * <code>string parent = 1;</code>
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setParentBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/PurgeProductsRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/PurgeProductsRequestOrBuilder.java
index c349fc23dcc3..b13750af8f65 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/PurgeProductsRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/PurgeProductsRequestOrBuilder.java
@@ -55,22 +55,26 @@ public interface PurgeProductsRequestOrBuilder
    *
    *
    * <pre>
-   * The project and location in which the Products should be deleted.
+   * Required. The project and location in which the Products should be deleted.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getParent();
   /**
    *
    *
    * <pre>
-   * The project and location in which the Products should be deleted.
+   * Required. The project and location in which the Products should be deleted.
    * Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * </pre>
    *
-   * <code>string parent = 1;</code>
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getParentBytes();
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ReferenceImage.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ReferenceImage.java
index e43fb583647c..3f072af2b10f 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ReferenceImage.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ReferenceImage.java
@@ -171,12 +171,11 @@ public com.google.protobuf.ByteString getNameBytes() {
    *
    *
    * <pre>
-   * The Google Cloud Storage URI of the reference image.
+   * Required. The Google Cloud Storage URI of the reference image.
    * The URI must start with `gs://`.
-   * Required.
    * </pre>
    *
-   * <code>string uri = 2;</code>
+   * <code>string uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
    */
   public java.lang.String getUri() {
     java.lang.Object ref = uri_;
@@ -193,12 +192,11 @@ public java.lang.String getUri() {
    *
    *
    * <pre>
-   * The Google Cloud Storage URI of the reference image.
+   * Required. The Google Cloud Storage URI of the reference image.
    * The URI must start with `gs://`.
-   * Required.
    * </pre>
    *
-   * <code>string uri = 2;</code>
+   * <code>string uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
    */
   public com.google.protobuf.ByteString getUriBytes() {
     java.lang.Object ref = uri_;
@@ -218,8 +216,8 @@ public com.google.protobuf.ByteString getUriBytes() {
    *
    *
    * <pre>
-   * Bounding polygons around the areas of interest in the reference image.
-   * Optional. If this field is empty, the system will try to detect regions of
+   * Optional. Bounding polygons around the areas of interest in the reference image.
+   * If this field is empty, the system will try to detect regions of
    * interest. At most 10 bounding polygons will be used.
    * The provided shape is converted into a non-rotated rectangle. Once
    * converted, the small edge of the rectangle must be greater than or equal
@@ -227,7 +225,9 @@ public com.google.protobuf.ByteString getUriBytes() {
    * is not).
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
    */
   public java.util.List<com.google.cloud.vision.v1.BoundingPoly> getBoundingPolysList() {
     return boundingPolys_;
@@ -236,8 +236,8 @@ public java.util.List<com.google.cloud.vision.v1.BoundingPoly> getBoundingPolysL
    *
    *
    * <pre>
-   * Bounding polygons around the areas of interest in the reference image.
-   * Optional. If this field is empty, the system will try to detect regions of
+   * Optional. Bounding polygons around the areas of interest in the reference image.
+   * If this field is empty, the system will try to detect regions of
    * interest. At most 10 bounding polygons will be used.
    * The provided shape is converted into a non-rotated rectangle. Once
    * converted, the small edge of the rectangle must be greater than or equal
@@ -245,7 +245,9 @@ public java.util.List<com.google.cloud.vision.v1.BoundingPoly> getBoundingPolysL
    * is not).
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
    */
   public java.util.List<? extends com.google.cloud.vision.v1.BoundingPolyOrBuilder>
       getBoundingPolysOrBuilderList() {
@@ -255,8 +257,8 @@ public java.util.List<com.google.cloud.vision.v1.BoundingPoly> getBoundingPolysL
    *
    *
    * <pre>
-   * Bounding polygons around the areas of interest in the reference image.
-   * Optional. If this field is empty, the system will try to detect regions of
+   * Optional. Bounding polygons around the areas of interest in the reference image.
+   * If this field is empty, the system will try to detect regions of
    * interest. At most 10 bounding polygons will be used.
    * The provided shape is converted into a non-rotated rectangle. Once
    * converted, the small edge of the rectangle must be greater than or equal
@@ -264,7 +266,9 @@ public java.util.List<com.google.cloud.vision.v1.BoundingPoly> getBoundingPolysL
    * is not).
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
    */
   public int getBoundingPolysCount() {
     return boundingPolys_.size();
@@ -273,8 +277,8 @@ public int getBoundingPolysCount() {
    *
    *
    * <pre>
-   * Bounding polygons around the areas of interest in the reference image.
-   * Optional. If this field is empty, the system will try to detect regions of
+   * Optional. Bounding polygons around the areas of interest in the reference image.
+   * If this field is empty, the system will try to detect regions of
    * interest. At most 10 bounding polygons will be used.
    * The provided shape is converted into a non-rotated rectangle. Once
    * converted, the small edge of the rectangle must be greater than or equal
@@ -282,7 +286,9 @@ public int getBoundingPolysCount() {
    * is not).
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
    */
   public com.google.cloud.vision.v1.BoundingPoly getBoundingPolys(int index) {
     return boundingPolys_.get(index);
@@ -291,8 +297,8 @@ public com.google.cloud.vision.v1.BoundingPoly getBoundingPolys(int index) {
    *
    *
    * <pre>
-   * Bounding polygons around the areas of interest in the reference image.
-   * Optional. If this field is empty, the system will try to detect regions of
+   * Optional. Bounding polygons around the areas of interest in the reference image.
+   * If this field is empty, the system will try to detect regions of
    * interest. At most 10 bounding polygons will be used.
    * The provided shape is converted into a non-rotated rectangle. Once
    * converted, the small edge of the rectangle must be greater than or equal
@@ -300,7 +306,9 @@ public com.google.cloud.vision.v1.BoundingPoly getBoundingPolys(int index) {
    * is not).
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
    */
   public com.google.cloud.vision.v1.BoundingPolyOrBuilder getBoundingPolysOrBuilder(int index) {
     return boundingPolys_.get(index);
@@ -813,12 +821,11 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The Google Cloud Storage URI of the reference image.
+     * Required. The Google Cloud Storage URI of the reference image.
      * The URI must start with `gs://`.
-     * Required.
      * </pre>
      *
-     * <code>string uri = 2;</code>
+     * <code>string uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
      */
     public java.lang.String getUri() {
       java.lang.Object ref = uri_;
@@ -835,12 +842,11 @@ public java.lang.String getUri() {
      *
      *
      * <pre>
-     * The Google Cloud Storage URI of the reference image.
+     * Required. The Google Cloud Storage URI of the reference image.
      * The URI must start with `gs://`.
-     * Required.
      * </pre>
      *
-     * <code>string uri = 2;</code>
+     * <code>string uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
      */
     public com.google.protobuf.ByteString getUriBytes() {
       java.lang.Object ref = uri_;
@@ -857,12 +863,11 @@ public com.google.protobuf.ByteString getUriBytes() {
      *
      *
      * <pre>
-     * The Google Cloud Storage URI of the reference image.
+     * Required. The Google Cloud Storage URI of the reference image.
      * The URI must start with `gs://`.
-     * Required.
      * </pre>
      *
-     * <code>string uri = 2;</code>
+     * <code>string uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
      */
     public Builder setUri(java.lang.String value) {
       if (value == null) {
@@ -877,12 +882,11 @@ public Builder setUri(java.lang.String value) {
      *
      *
      * <pre>
-     * The Google Cloud Storage URI of the reference image.
+     * Required. The Google Cloud Storage URI of the reference image.
      * The URI must start with `gs://`.
-     * Required.
      * </pre>
      *
-     * <code>string uri = 2;</code>
+     * <code>string uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
      */
     public Builder clearUri() {
 
@@ -894,12 +898,11 @@ public Builder clearUri() {
      *
      *
      * <pre>
-     * The Google Cloud Storage URI of the reference image.
+     * Required. The Google Cloud Storage URI of the reference image.
      * The URI must start with `gs://`.
-     * Required.
      * </pre>
      *
-     * <code>string uri = 2;</code>
+     * <code>string uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
      */
     public Builder setUriBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
@@ -933,8 +936,8 @@ private void ensureBoundingPolysIsMutable() {
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -942,7 +945,9 @@ private void ensureBoundingPolysIsMutable() {
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public java.util.List<com.google.cloud.vision.v1.BoundingPoly> getBoundingPolysList() {
       if (boundingPolysBuilder_ == null) {
@@ -955,8 +960,8 @@ public java.util.List<com.google.cloud.vision.v1.BoundingPoly> getBoundingPolysL
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -964,7 +969,9 @@ public java.util.List<com.google.cloud.vision.v1.BoundingPoly> getBoundingPolysL
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public int getBoundingPolysCount() {
       if (boundingPolysBuilder_ == null) {
@@ -977,8 +984,8 @@ public int getBoundingPolysCount() {
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -986,7 +993,9 @@ public int getBoundingPolysCount() {
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public com.google.cloud.vision.v1.BoundingPoly getBoundingPolys(int index) {
       if (boundingPolysBuilder_ == null) {
@@ -999,8 +1008,8 @@ public com.google.cloud.vision.v1.BoundingPoly getBoundingPolys(int index) {
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1008,7 +1017,9 @@ public com.google.cloud.vision.v1.BoundingPoly getBoundingPolys(int index) {
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public Builder setBoundingPolys(int index, com.google.cloud.vision.v1.BoundingPoly value) {
       if (boundingPolysBuilder_ == null) {
@@ -1027,8 +1038,8 @@ public Builder setBoundingPolys(int index, com.google.cloud.vision.v1.BoundingPo
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1036,7 +1047,9 @@ public Builder setBoundingPolys(int index, com.google.cloud.vision.v1.BoundingPo
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public Builder setBoundingPolys(
         int index, com.google.cloud.vision.v1.BoundingPoly.Builder builderForValue) {
@@ -1053,8 +1066,8 @@ public Builder setBoundingPolys(
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1062,7 +1075,9 @@ public Builder setBoundingPolys(
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public Builder addBoundingPolys(com.google.cloud.vision.v1.BoundingPoly value) {
       if (boundingPolysBuilder_ == null) {
@@ -1081,8 +1096,8 @@ public Builder addBoundingPolys(com.google.cloud.vision.v1.BoundingPoly value) {
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1090,7 +1105,9 @@ public Builder addBoundingPolys(com.google.cloud.vision.v1.BoundingPoly value) {
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public Builder addBoundingPolys(int index, com.google.cloud.vision.v1.BoundingPoly value) {
       if (boundingPolysBuilder_ == null) {
@@ -1109,8 +1126,8 @@ public Builder addBoundingPolys(int index, com.google.cloud.vision.v1.BoundingPo
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1118,7 +1135,9 @@ public Builder addBoundingPolys(int index, com.google.cloud.vision.v1.BoundingPo
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public Builder addBoundingPolys(
         com.google.cloud.vision.v1.BoundingPoly.Builder builderForValue) {
@@ -1135,8 +1154,8 @@ public Builder addBoundingPolys(
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1144,7 +1163,9 @@ public Builder addBoundingPolys(
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public Builder addBoundingPolys(
         int index, com.google.cloud.vision.v1.BoundingPoly.Builder builderForValue) {
@@ -1161,8 +1182,8 @@ public Builder addBoundingPolys(
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1170,7 +1191,9 @@ public Builder addBoundingPolys(
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public Builder addAllBoundingPolys(
         java.lang.Iterable<? extends com.google.cloud.vision.v1.BoundingPoly> values) {
@@ -1187,8 +1210,8 @@ public Builder addAllBoundingPolys(
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1196,7 +1219,9 @@ public Builder addAllBoundingPolys(
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public Builder clearBoundingPolys() {
       if (boundingPolysBuilder_ == null) {
@@ -1212,8 +1237,8 @@ public Builder clearBoundingPolys() {
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1221,7 +1246,9 @@ public Builder clearBoundingPolys() {
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public Builder removeBoundingPolys(int index) {
       if (boundingPolysBuilder_ == null) {
@@ -1237,8 +1264,8 @@ public Builder removeBoundingPolys(int index) {
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1246,7 +1273,9 @@ public Builder removeBoundingPolys(int index) {
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public com.google.cloud.vision.v1.BoundingPoly.Builder getBoundingPolysBuilder(int index) {
       return getBoundingPolysFieldBuilder().getBuilder(index);
@@ -1255,8 +1284,8 @@ public com.google.cloud.vision.v1.BoundingPoly.Builder getBoundingPolysBuilder(i
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1264,7 +1293,9 @@ public com.google.cloud.vision.v1.BoundingPoly.Builder getBoundingPolysBuilder(i
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public com.google.cloud.vision.v1.BoundingPolyOrBuilder getBoundingPolysOrBuilder(int index) {
       if (boundingPolysBuilder_ == null) {
@@ -1277,8 +1308,8 @@ public com.google.cloud.vision.v1.BoundingPolyOrBuilder getBoundingPolysOrBuilde
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1286,7 +1317,9 @@ public com.google.cloud.vision.v1.BoundingPolyOrBuilder getBoundingPolysOrBuilde
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public java.util.List<? extends com.google.cloud.vision.v1.BoundingPolyOrBuilder>
         getBoundingPolysOrBuilderList() {
@@ -1300,8 +1333,8 @@ public com.google.cloud.vision.v1.BoundingPolyOrBuilder getBoundingPolysOrBuilde
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1309,7 +1342,9 @@ public com.google.cloud.vision.v1.BoundingPolyOrBuilder getBoundingPolysOrBuilde
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public com.google.cloud.vision.v1.BoundingPoly.Builder addBoundingPolysBuilder() {
       return getBoundingPolysFieldBuilder()
@@ -1319,8 +1354,8 @@ public com.google.cloud.vision.v1.BoundingPoly.Builder addBoundingPolysBuilder()
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1328,7 +1363,9 @@ public com.google.cloud.vision.v1.BoundingPoly.Builder addBoundingPolysBuilder()
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public com.google.cloud.vision.v1.BoundingPoly.Builder addBoundingPolysBuilder(int index) {
       return getBoundingPolysFieldBuilder()
@@ -1338,8 +1375,8 @@ public com.google.cloud.vision.v1.BoundingPoly.Builder addBoundingPolysBuilder(i
      *
      *
      * <pre>
-     * Bounding polygons around the areas of interest in the reference image.
-     * Optional. If this field is empty, the system will try to detect regions of
+     * Optional. Bounding polygons around the areas of interest in the reference image.
+     * If this field is empty, the system will try to detect regions of
      * interest. At most 10 bounding polygons will be used.
      * The provided shape is converted into a non-rotated rectangle. Once
      * converted, the small edge of the rectangle must be greater than or equal
@@ -1347,7 +1384,9 @@ public com.google.cloud.vision.v1.BoundingPoly.Builder addBoundingPolysBuilder(i
      * is not).
      * </pre>
      *
-     * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+     * <code>
+     * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
     public java.util.List<com.google.cloud.vision.v1.BoundingPoly.Builder>
         getBoundingPolysBuilderList() {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ReferenceImageOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ReferenceImageOrBuilder.java
index 22382261992a..0ca78595b8f3 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ReferenceImageOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ReferenceImageOrBuilder.java
@@ -39,24 +39,22 @@ public interface ReferenceImageOrBuilder
    *
    *
    * <pre>
-   * The Google Cloud Storage URI of the reference image.
+   * Required. The Google Cloud Storage URI of the reference image.
    * The URI must start with `gs://`.
-   * Required.
    * </pre>
    *
-   * <code>string uri = 2;</code>
+   * <code>string uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
    */
   java.lang.String getUri();
   /**
    *
    *
    * <pre>
-   * The Google Cloud Storage URI of the reference image.
+   * Required. The Google Cloud Storage URI of the reference image.
    * The URI must start with `gs://`.
-   * Required.
    * </pre>
    *
-   * <code>string uri = 2;</code>
+   * <code>string uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
    */
   com.google.protobuf.ByteString getUriBytes();
 
@@ -64,8 +62,8 @@ public interface ReferenceImageOrBuilder
    *
    *
    * <pre>
-   * Bounding polygons around the areas of interest in the reference image.
-   * Optional. If this field is empty, the system will try to detect regions of
+   * Optional. Bounding polygons around the areas of interest in the reference image.
+   * If this field is empty, the system will try to detect regions of
    * interest. At most 10 bounding polygons will be used.
    * The provided shape is converted into a non-rotated rectangle. Once
    * converted, the small edge of the rectangle must be greater than or equal
@@ -73,15 +71,17 @@ public interface ReferenceImageOrBuilder
    * is not).
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
    */
   java.util.List<com.google.cloud.vision.v1.BoundingPoly> getBoundingPolysList();
   /**
    *
    *
    * <pre>
-   * Bounding polygons around the areas of interest in the reference image.
-   * Optional. If this field is empty, the system will try to detect regions of
+   * Optional. Bounding polygons around the areas of interest in the reference image.
+   * If this field is empty, the system will try to detect regions of
    * interest. At most 10 bounding polygons will be used.
    * The provided shape is converted into a non-rotated rectangle. Once
    * converted, the small edge of the rectangle must be greater than or equal
@@ -89,15 +89,17 @@ public interface ReferenceImageOrBuilder
    * is not).
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
    */
   com.google.cloud.vision.v1.BoundingPoly getBoundingPolys(int index);
   /**
    *
    *
    * <pre>
-   * Bounding polygons around the areas of interest in the reference image.
-   * Optional. If this field is empty, the system will try to detect regions of
+   * Optional. Bounding polygons around the areas of interest in the reference image.
+   * If this field is empty, the system will try to detect regions of
    * interest. At most 10 bounding polygons will be used.
    * The provided shape is converted into a non-rotated rectangle. Once
    * converted, the small edge of the rectangle must be greater than or equal
@@ -105,15 +107,17 @@ public interface ReferenceImageOrBuilder
    * is not).
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
    */
   int getBoundingPolysCount();
   /**
    *
    *
    * <pre>
-   * Bounding polygons around the areas of interest in the reference image.
-   * Optional. If this field is empty, the system will try to detect regions of
+   * Optional. Bounding polygons around the areas of interest in the reference image.
+   * If this field is empty, the system will try to detect regions of
    * interest. At most 10 bounding polygons will be used.
    * The provided shape is converted into a non-rotated rectangle. Once
    * converted, the small edge of the rectangle must be greater than or equal
@@ -121,7 +125,9 @@ public interface ReferenceImageOrBuilder
    * is not).
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
    */
   java.util.List<? extends com.google.cloud.vision.v1.BoundingPolyOrBuilder>
       getBoundingPolysOrBuilderList();
@@ -129,8 +135,8 @@ public interface ReferenceImageOrBuilder
    *
    *
    * <pre>
-   * Bounding polygons around the areas of interest in the reference image.
-   * Optional. If this field is empty, the system will try to detect regions of
+   * Optional. Bounding polygons around the areas of interest in the reference image.
+   * If this field is empty, the system will try to detect regions of
    * interest. At most 10 bounding polygons will be used.
    * The provided shape is converted into a non-rotated rectangle. Once
    * converted, the small edge of the rectangle must be greater than or equal
@@ -138,7 +144,9 @@ public interface ReferenceImageOrBuilder
    * is not).
    * </pre>
    *
-   * <code>repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3;</code>
+   * <code>
+   * repeated .google.cloud.vision.v1.BoundingPoly bounding_polys = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
    */
   com.google.cloud.vision.v1.BoundingPolyOrBuilder getBoundingPolysOrBuilder(int index);
 }
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/RemoveProductFromProductSetRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/RemoveProductFromProductSetRequest.java
index eeb576c49df5..8be3894a6e2b 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/RemoveProductFromProductSetRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/RemoveProductFromProductSetRequest.java
@@ -106,12 +106,14 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * The resource name for the ProductSet to modify.
+   * Required. The resource name for the ProductSet to modify.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getName() {
     java.lang.Object ref = name_;
@@ -128,12 +130,14 @@ public java.lang.String getName() {
    *
    *
    * <pre>
-   * The resource name for the ProductSet to modify.
+   * Required. The resource name for the ProductSet to modify.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getNameBytes() {
     java.lang.Object ref = name_;
@@ -153,12 +157,14 @@ public com.google.protobuf.ByteString getNameBytes() {
    *
    *
    * <pre>
-   * The resource name for the Product to be removed from this ProductSet.
+   * Required. The resource name for the Product to be removed from this ProductSet.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string product = 2;</code>
+   * <code>
+   * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public java.lang.String getProduct() {
     java.lang.Object ref = product_;
@@ -175,12 +181,14 @@ public java.lang.String getProduct() {
    *
    *
    * <pre>
-   * The resource name for the Product to be removed from this ProductSet.
+   * Required. The resource name for the Product to be removed from this ProductSet.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string product = 2;</code>
+   * <code>
+   * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   public com.google.protobuf.ByteString getProductBytes() {
     java.lang.Object ref = product_;
@@ -537,12 +545,14 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The resource name for the ProductSet to modify.
+     * Required. The resource name for the ProductSet to modify.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
@@ -559,12 +569,14 @@ public java.lang.String getName() {
      *
      *
      * <pre>
-     * The resource name for the ProductSet to modify.
+     * Required. The resource name for the ProductSet to modify.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getNameBytes() {
       java.lang.Object ref = name_;
@@ -581,12 +593,14 @@ public com.google.protobuf.ByteString getNameBytes() {
      *
      *
      * <pre>
-     * The resource name for the ProductSet to modify.
+     * Required. The resource name for the ProductSet to modify.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setName(java.lang.String value) {
       if (value == null) {
@@ -601,12 +615,14 @@ public Builder setName(java.lang.String value) {
      *
      *
      * <pre>
-     * The resource name for the ProductSet to modify.
+     * Required. The resource name for the ProductSet to modify.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearName() {
 
@@ -618,12 +634,14 @@ public Builder clearName() {
      *
      *
      * <pre>
-     * The resource name for the ProductSet to modify.
+     * Required. The resource name for the ProductSet to modify.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
      * </pre>
      *
-     * <code>string name = 1;</code>
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setNameBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
@@ -641,12 +659,14 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * The resource name for the Product to be removed from this ProductSet.
+     * Required. The resource name for the Product to be removed from this ProductSet.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string product = 2;</code>
+     * <code>
+     * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public java.lang.String getProduct() {
       java.lang.Object ref = product_;
@@ -663,12 +683,14 @@ public java.lang.String getProduct() {
      *
      *
      * <pre>
-     * The resource name for the Product to be removed from this ProductSet.
+     * Required. The resource name for the Product to be removed from this ProductSet.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string product = 2;</code>
+     * <code>
+     * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public com.google.protobuf.ByteString getProductBytes() {
       java.lang.Object ref = product_;
@@ -685,12 +707,14 @@ public com.google.protobuf.ByteString getProductBytes() {
      *
      *
      * <pre>
-     * The resource name for the Product to be removed from this ProductSet.
+     * Required. The resource name for the Product to be removed from this ProductSet.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string product = 2;</code>
+     * <code>
+     * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setProduct(java.lang.String value) {
       if (value == null) {
@@ -705,12 +729,14 @@ public Builder setProduct(java.lang.String value) {
      *
      *
      * <pre>
-     * The resource name for the Product to be removed from this ProductSet.
+     * Required. The resource name for the Product to be removed from this ProductSet.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string product = 2;</code>
+     * <code>
+     * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder clearProduct() {
 
@@ -722,12 +748,14 @@ public Builder clearProduct() {
      *
      *
      * <pre>
-     * The resource name for the Product to be removed from this ProductSet.
+     * Required. The resource name for the Product to be removed from this ProductSet.
      * Format is:
      * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
      * </pre>
      *
-     * <code>string product = 2;</code>
+     * <code>
+     * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
      */
     public Builder setProductBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/RemoveProductFromProductSetRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/RemoveProductFromProductSetRequestOrBuilder.java
index bc01e82e895c..821e2ea6dd16 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/RemoveProductFromProductSetRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/RemoveProductFromProductSetRequestOrBuilder.java
@@ -12,24 +12,28 @@ public interface RemoveProductFromProductSetRequestOrBuilder
    *
    *
    * <pre>
-   * The resource name for the ProductSet to modify.
+   * Required. The resource name for the ProductSet to modify.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getName();
   /**
    *
    *
    * <pre>
-   * The resource name for the ProductSet to modify.
+   * Required. The resource name for the ProductSet to modify.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * </pre>
    *
-   * <code>string name = 1;</code>
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getNameBytes();
 
@@ -37,24 +41,28 @@ public interface RemoveProductFromProductSetRequestOrBuilder
    *
    *
    * <pre>
-   * The resource name for the Product to be removed from this ProductSet.
+   * Required. The resource name for the Product to be removed from this ProductSet.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string product = 2;</code>
+   * <code>
+   * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   java.lang.String getProduct();
   /**
    *
    *
    * <pre>
-   * The resource name for the Product to be removed from this ProductSet.
+   * Required. The resource name for the Product to be removed from this ProductSet.
    * Format is:
    * `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * </pre>
    *
-   * <code>string product = 2;</code>
+   * <code>
+   * string product = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
    */
   com.google.protobuf.ByteString getProductBytes();
 }
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/SafeSearchAnnotation.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/SafeSearchAnnotation.java
index 407d6378699b..b6fb8ae444ca 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/SafeSearchAnnotation.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/SafeSearchAnnotation.java
@@ -91,6 +91,36 @@ private SafeSearchAnnotation(
               racy_ = rawValue;
               break;
             }
+          case 133:
+            {
+              adultConfidence_ = input.readFloat();
+              break;
+            }
+          case 149:
+            {
+              spoofConfidence_ = input.readFloat();
+              break;
+            }
+          case 165:
+            {
+              medicalConfidence_ = input.readFloat();
+              break;
+            }
+          case 181:
+            {
+              violenceConfidence_ = input.readFloat();
+              break;
+            }
+          case 197:
+            {
+              racyConfidence_ = input.readFloat();
+              break;
+            }
+          case 213:
+            {
+              nsfwConfidence_ = input.readFloat();
+              break;
+            }
           default:
             {
               if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
@@ -289,6 +319,102 @@ public com.google.cloud.vision.v1.Likelihood getRacy() {
     return result == null ? com.google.cloud.vision.v1.Likelihood.UNRECOGNIZED : result;
   }
 
+  public static final int ADULT_CONFIDENCE_FIELD_NUMBER = 16;
+  private float adultConfidence_;
+  /**
+   *
+   *
+   * <pre>
+   * Confidence of adult_score. Range [0, 1]. 0 means not confident, 1 means
+   * very confident.
+   * </pre>
+   *
+   * <code>float adult_confidence = 16;</code>
+   */
+  public float getAdultConfidence() {
+    return adultConfidence_;
+  }
+
+  public static final int SPOOF_CONFIDENCE_FIELD_NUMBER = 18;
+  private float spoofConfidence_;
+  /**
+   *
+   *
+   * <pre>
+   * Confidence of spoof_score. Range [0, 1]. 0 means not confident, 1 means
+   * very confident.
+   * </pre>
+   *
+   * <code>float spoof_confidence = 18;</code>
+   */
+  public float getSpoofConfidence() {
+    return spoofConfidence_;
+  }
+
+  public static final int MEDICAL_CONFIDENCE_FIELD_NUMBER = 20;
+  private float medicalConfidence_;
+  /**
+   *
+   *
+   * <pre>
+   * Confidence of medical_score. Range [0, 1]. 0 means not confident, 1 means
+   * very confident.
+   * </pre>
+   *
+   * <code>float medical_confidence = 20;</code>
+   */
+  public float getMedicalConfidence() {
+    return medicalConfidence_;
+  }
+
+  public static final int VIOLENCE_CONFIDENCE_FIELD_NUMBER = 22;
+  private float violenceConfidence_;
+  /**
+   *
+   *
+   * <pre>
+   * Confidence of violence_score. Range [0, 1]. 0 means not confident, 1 means
+   * very confident.
+   * </pre>
+   *
+   * <code>float violence_confidence = 22;</code>
+   */
+  public float getViolenceConfidence() {
+    return violenceConfidence_;
+  }
+
+  public static final int RACY_CONFIDENCE_FIELD_NUMBER = 24;
+  private float racyConfidence_;
+  /**
+   *
+   *
+   * <pre>
+   * Confidence of racy_score. Range [0, 1]. 0 means not confident, 1 means very
+   * confident.
+   * </pre>
+   *
+   * <code>float racy_confidence = 24;</code>
+   */
+  public float getRacyConfidence() {
+    return racyConfidence_;
+  }
+
+  public static final int NSFW_CONFIDENCE_FIELD_NUMBER = 26;
+  private float nsfwConfidence_;
+  /**
+   *
+   *
+   * <pre>
+   * Confidence of nsfw_score. Range [0, 1]. 0 means not confident, 1 means very
+   * confident.
+   * </pre>
+   *
+   * <code>float nsfw_confidence = 26;</code>
+   */
+  public float getNsfwConfidence() {
+    return nsfwConfidence_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -318,6 +444,24 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (racy_ != com.google.cloud.vision.v1.Likelihood.UNKNOWN.getNumber()) {
       output.writeEnum(9, racy_);
     }
+    if (adultConfidence_ != 0F) {
+      output.writeFloat(16, adultConfidence_);
+    }
+    if (spoofConfidence_ != 0F) {
+      output.writeFloat(18, spoofConfidence_);
+    }
+    if (medicalConfidence_ != 0F) {
+      output.writeFloat(20, medicalConfidence_);
+    }
+    if (violenceConfidence_ != 0F) {
+      output.writeFloat(22, violenceConfidence_);
+    }
+    if (racyConfidence_ != 0F) {
+      output.writeFloat(24, racyConfidence_);
+    }
+    if (nsfwConfidence_ != 0F) {
+      output.writeFloat(26, nsfwConfidence_);
+    }
     unknownFields.writeTo(output);
   }
 
@@ -342,6 +486,24 @@ public int getSerializedSize() {
     if (racy_ != com.google.cloud.vision.v1.Likelihood.UNKNOWN.getNumber()) {
       size += com.google.protobuf.CodedOutputStream.computeEnumSize(9, racy_);
     }
+    if (adultConfidence_ != 0F) {
+      size += com.google.protobuf.CodedOutputStream.computeFloatSize(16, adultConfidence_);
+    }
+    if (spoofConfidence_ != 0F) {
+      size += com.google.protobuf.CodedOutputStream.computeFloatSize(18, spoofConfidence_);
+    }
+    if (medicalConfidence_ != 0F) {
+      size += com.google.protobuf.CodedOutputStream.computeFloatSize(20, medicalConfidence_);
+    }
+    if (violenceConfidence_ != 0F) {
+      size += com.google.protobuf.CodedOutputStream.computeFloatSize(22, violenceConfidence_);
+    }
+    if (racyConfidence_ != 0F) {
+      size += com.google.protobuf.CodedOutputStream.computeFloatSize(24, racyConfidence_);
+    }
+    if (nsfwConfidence_ != 0F) {
+      size += com.google.protobuf.CodedOutputStream.computeFloatSize(26, nsfwConfidence_);
+    }
     size += unknownFields.getSerializedSize();
     memoizedSize = size;
     return size;
@@ -363,6 +525,18 @@ public boolean equals(final java.lang.Object obj) {
     if (medical_ != other.medical_) return false;
     if (violence_ != other.violence_) return false;
     if (racy_ != other.racy_) return false;
+    if (java.lang.Float.floatToIntBits(getAdultConfidence())
+        != java.lang.Float.floatToIntBits(other.getAdultConfidence())) return false;
+    if (java.lang.Float.floatToIntBits(getSpoofConfidence())
+        != java.lang.Float.floatToIntBits(other.getSpoofConfidence())) return false;
+    if (java.lang.Float.floatToIntBits(getMedicalConfidence())
+        != java.lang.Float.floatToIntBits(other.getMedicalConfidence())) return false;
+    if (java.lang.Float.floatToIntBits(getViolenceConfidence())
+        != java.lang.Float.floatToIntBits(other.getViolenceConfidence())) return false;
+    if (java.lang.Float.floatToIntBits(getRacyConfidence())
+        != java.lang.Float.floatToIntBits(other.getRacyConfidence())) return false;
+    if (java.lang.Float.floatToIntBits(getNsfwConfidence())
+        != java.lang.Float.floatToIntBits(other.getNsfwConfidence())) return false;
     if (!unknownFields.equals(other.unknownFields)) return false;
     return true;
   }
@@ -384,6 +558,18 @@ public int hashCode() {
     hash = (53 * hash) + violence_;
     hash = (37 * hash) + RACY_FIELD_NUMBER;
     hash = (53 * hash) + racy_;
+    hash = (37 * hash) + ADULT_CONFIDENCE_FIELD_NUMBER;
+    hash = (53 * hash) + java.lang.Float.floatToIntBits(getAdultConfidence());
+    hash = (37 * hash) + SPOOF_CONFIDENCE_FIELD_NUMBER;
+    hash = (53 * hash) + java.lang.Float.floatToIntBits(getSpoofConfidence());
+    hash = (37 * hash) + MEDICAL_CONFIDENCE_FIELD_NUMBER;
+    hash = (53 * hash) + java.lang.Float.floatToIntBits(getMedicalConfidence());
+    hash = (37 * hash) + VIOLENCE_CONFIDENCE_FIELD_NUMBER;
+    hash = (53 * hash) + java.lang.Float.floatToIntBits(getViolenceConfidence());
+    hash = (37 * hash) + RACY_CONFIDENCE_FIELD_NUMBER;
+    hash = (53 * hash) + java.lang.Float.floatToIntBits(getRacyConfidence());
+    hash = (37 * hash) + NSFW_CONFIDENCE_FIELD_NUMBER;
+    hash = (53 * hash) + java.lang.Float.floatToIntBits(getNsfwConfidence());
     hash = (29 * hash) + unknownFields.hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -541,6 +727,18 @@ public Builder clear() {
 
       racy_ = 0;
 
+      adultConfidence_ = 0F;
+
+      spoofConfidence_ = 0F;
+
+      medicalConfidence_ = 0F;
+
+      violenceConfidence_ = 0F;
+
+      racyConfidence_ = 0F;
+
+      nsfwConfidence_ = 0F;
+
       return this;
     }
 
@@ -573,6 +771,12 @@ public com.google.cloud.vision.v1.SafeSearchAnnotation buildPartial() {
       result.medical_ = medical_;
       result.violence_ = violence_;
       result.racy_ = racy_;
+      result.adultConfidence_ = adultConfidence_;
+      result.spoofConfidence_ = spoofConfidence_;
+      result.medicalConfidence_ = medicalConfidence_;
+      result.violenceConfidence_ = violenceConfidence_;
+      result.racyConfidence_ = racyConfidence_;
+      result.nsfwConfidence_ = nsfwConfidence_;
       onBuilt();
       return result;
     }
@@ -638,6 +842,24 @@ public Builder mergeFrom(com.google.cloud.vision.v1.SafeSearchAnnotation other)
       if (other.racy_ != 0) {
         setRacyValue(other.getRacyValue());
       }
+      if (other.getAdultConfidence() != 0F) {
+        setAdultConfidence(other.getAdultConfidence());
+      }
+      if (other.getSpoofConfidence() != 0F) {
+        setSpoofConfidence(other.getSpoofConfidence());
+      }
+      if (other.getMedicalConfidence() != 0F) {
+        setMedicalConfidence(other.getMedicalConfidence());
+      }
+      if (other.getViolenceConfidence() != 0F) {
+        setViolenceConfidence(other.getViolenceConfidence());
+      }
+      if (other.getRacyConfidence() != 0F) {
+        setRacyConfidence(other.getRacyConfidence());
+      }
+      if (other.getNsfwConfidence() != 0F) {
+        setNsfwConfidence(other.getNsfwConfidence());
+      }
       this.mergeUnknownFields(other.unknownFields);
       onChanged();
       return this;
@@ -1082,6 +1304,288 @@ public Builder clearRacy() {
       return this;
     }
 
+    private float adultConfidence_;
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of adult_score. Range [0, 1]. 0 means not confident, 1 means
+     * very confident.
+     * </pre>
+     *
+     * <code>float adult_confidence = 16;</code>
+     */
+    public float getAdultConfidence() {
+      return adultConfidence_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of adult_score. Range [0, 1]. 0 means not confident, 1 means
+     * very confident.
+     * </pre>
+     *
+     * <code>float adult_confidence = 16;</code>
+     */
+    public Builder setAdultConfidence(float value) {
+
+      adultConfidence_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of adult_score. Range [0, 1]. 0 means not confident, 1 means
+     * very confident.
+     * </pre>
+     *
+     * <code>float adult_confidence = 16;</code>
+     */
+    public Builder clearAdultConfidence() {
+
+      adultConfidence_ = 0F;
+      onChanged();
+      return this;
+    }
+
+    private float spoofConfidence_;
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of spoof_score. Range [0, 1]. 0 means not confident, 1 means
+     * very confident.
+     * </pre>
+     *
+     * <code>float spoof_confidence = 18;</code>
+     */
+    public float getSpoofConfidence() {
+      return spoofConfidence_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of spoof_score. Range [0, 1]. 0 means not confident, 1 means
+     * very confident.
+     * </pre>
+     *
+     * <code>float spoof_confidence = 18;</code>
+     */
+    public Builder setSpoofConfidence(float value) {
+
+      spoofConfidence_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of spoof_score. Range [0, 1]. 0 means not confident, 1 means
+     * very confident.
+     * </pre>
+     *
+     * <code>float spoof_confidence = 18;</code>
+     */
+    public Builder clearSpoofConfidence() {
+
+      spoofConfidence_ = 0F;
+      onChanged();
+      return this;
+    }
+
+    private float medicalConfidence_;
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of medical_score. Range [0, 1]. 0 means not confident, 1 means
+     * very confident.
+     * </pre>
+     *
+     * <code>float medical_confidence = 20;</code>
+     */
+    public float getMedicalConfidence() {
+      return medicalConfidence_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of medical_score. Range [0, 1]. 0 means not confident, 1 means
+     * very confident.
+     * </pre>
+     *
+     * <code>float medical_confidence = 20;</code>
+     */
+    public Builder setMedicalConfidence(float value) {
+
+      medicalConfidence_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of medical_score. Range [0, 1]. 0 means not confident, 1 means
+     * very confident.
+     * </pre>
+     *
+     * <code>float medical_confidence = 20;</code>
+     */
+    public Builder clearMedicalConfidence() {
+
+      medicalConfidence_ = 0F;
+      onChanged();
+      return this;
+    }
+
+    private float violenceConfidence_;
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of violence_score. Range [0, 1]. 0 means not confident, 1 means
+     * very confident.
+     * </pre>
+     *
+     * <code>float violence_confidence = 22;</code>
+     */
+    public float getViolenceConfidence() {
+      return violenceConfidence_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of violence_score. Range [0, 1]. 0 means not confident, 1 means
+     * very confident.
+     * </pre>
+     *
+     * <code>float violence_confidence = 22;</code>
+     */
+    public Builder setViolenceConfidence(float value) {
+
+      violenceConfidence_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of violence_score. Range [0, 1]. 0 means not confident, 1 means
+     * very confident.
+     * </pre>
+     *
+     * <code>float violence_confidence = 22;</code>
+     */
+    public Builder clearViolenceConfidence() {
+
+      violenceConfidence_ = 0F;
+      onChanged();
+      return this;
+    }
+
+    private float racyConfidence_;
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of racy_score. Range [0, 1]. 0 means not confident, 1 means very
+     * confident.
+     * </pre>
+     *
+     * <code>float racy_confidence = 24;</code>
+     */
+    public float getRacyConfidence() {
+      return racyConfidence_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of racy_score. Range [0, 1]. 0 means not confident, 1 means very
+     * confident.
+     * </pre>
+     *
+     * <code>float racy_confidence = 24;</code>
+     */
+    public Builder setRacyConfidence(float value) {
+
+      racyConfidence_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of racy_score. Range [0, 1]. 0 means not confident, 1 means very
+     * confident.
+     * </pre>
+     *
+     * <code>float racy_confidence = 24;</code>
+     */
+    public Builder clearRacyConfidence() {
+
+      racyConfidence_ = 0F;
+      onChanged();
+      return this;
+    }
+
+    private float nsfwConfidence_;
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of nsfw_score. Range [0, 1]. 0 means not confident, 1 means very
+     * confident.
+     * </pre>
+     *
+     * <code>float nsfw_confidence = 26;</code>
+     */
+    public float getNsfwConfidence() {
+      return nsfwConfidence_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of nsfw_score. Range [0, 1]. 0 means not confident, 1 means very
+     * confident.
+     * </pre>
+     *
+     * <code>float nsfw_confidence = 26;</code>
+     */
+    public Builder setNsfwConfidence(float value) {
+
+      nsfwConfidence_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Confidence of nsfw_score. Range [0, 1]. 0 means not confident, 1 means very
+     * confident.
+     * </pre>
+     *
+     * <code>float nsfw_confidence = 26;</code>
+     */
+    public Builder clearNsfwConfidence() {
+
+      nsfwConfidence_ = 0F;
+      onChanged();
+      return this;
+    }
+
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/SafeSearchAnnotationOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/SafeSearchAnnotationOrBuilder.java
index 3c01904a4395..ae288e0e97f0 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/SafeSearchAnnotationOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/SafeSearchAnnotationOrBuilder.java
@@ -126,4 +126,76 @@ public interface SafeSearchAnnotationOrBuilder
    * <code>.google.cloud.vision.v1.Likelihood racy = 9;</code>
    */
   com.google.cloud.vision.v1.Likelihood getRacy();
+
+  /**
+   *
+   *
+   * <pre>
+   * Confidence of adult_score. Range [0, 1]. 0 means not confident, 1 means
+   * very confident.
+   * </pre>
+   *
+   * <code>float adult_confidence = 16;</code>
+   */
+  float getAdultConfidence();
+
+  /**
+   *
+   *
+   * <pre>
+   * Confidence of spoof_score. Range [0, 1]. 0 means not confident, 1 means
+   * very confident.
+   * </pre>
+   *
+   * <code>float spoof_confidence = 18;</code>
+   */
+  float getSpoofConfidence();
+
+  /**
+   *
+   *
+   * <pre>
+   * Confidence of medical_score. Range [0, 1]. 0 means not confident, 1 means
+   * very confident.
+   * </pre>
+   *
+   * <code>float medical_confidence = 20;</code>
+   */
+  float getMedicalConfidence();
+
+  /**
+   *
+   *
+   * <pre>
+   * Confidence of violence_score. Range [0, 1]. 0 means not confident, 1 means
+   * very confident.
+   * </pre>
+   *
+   * <code>float violence_confidence = 22;</code>
+   */
+  float getViolenceConfidence();
+
+  /**
+   *
+   *
+   * <pre>
+   * Confidence of racy_score. Range [0, 1]. 0 means not confident, 1 means very
+   * confident.
+   * </pre>
+   *
+   * <code>float racy_confidence = 24;</code>
+   */
+  float getRacyConfidence();
+
+  /**
+   *
+   *
+   * <pre>
+   * Confidence of nsfw_score. Range [0, 1]. 0 means not confident, 1 means very
+   * confident.
+   * </pre>
+   *
+   * <code>float nsfw_confidence = 26;</code>
+   */
+  float getNsfwConfidence();
 }
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/TextAnnotation.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/TextAnnotation.java
index 985353ead641..ed3804fb4ffd 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/TextAnnotation.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/TextAnnotation.java
@@ -12,9 +12,8 @@
  *     TextAnnotation -&gt; Page -&gt; Block -&gt; Paragraph -&gt; Word -&gt; Symbol
  * Each structural component, starting from Page, may further have their own
  * properties. Properties describe detected languages, breaks etc.. Please refer
- * to the
- * [TextAnnotation.TextProperty][google.cloud.vision.v1.TextAnnotation.TextProperty]
- * message definition below for more detail.
+ * to the [TextAnnotation.TextProperty][google.cloud.vision.v1.TextAnnotation.TextProperty] message definition below for more
+ * detail.
  * </pre>
  *
  * Protobuf type {@code google.cloud.vision.v1.TextAnnotation}
@@ -3423,9 +3422,8 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *     TextAnnotation -&gt; Page -&gt; Block -&gt; Paragraph -&gt; Word -&gt; Symbol
    * Each structural component, starting from Page, may further have their own
    * properties. Properties describe detected languages, breaks etc.. Please refer
-   * to the
-   * [TextAnnotation.TextProperty][google.cloud.vision.v1.TextAnnotation.TextProperty]
-   * message definition below for more detail.
+   * to the [TextAnnotation.TextProperty][google.cloud.vision.v1.TextAnnotation.TextProperty] message definition below for more
+   * detail.
    * </pre>
    *
    * Protobuf type {@code google.cloud.vision.v1.TextAnnotation}
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/TextAnnotationProto.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/TextAnnotationProto.java
index 2e5e230c5e35..f3516d0c031a 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/TextAnnotationProto.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/TextAnnotationProto.java
@@ -58,9 +58,9 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
   static {
     java.lang.String[] descriptorData = {
       "\n,google/cloud/vision/v1/text_annotation"
-          + ".proto\022\026google.cloud.vision.v1\032\034google/a"
-          + "pi/annotations.proto\032%google/cloud/visio"
-          + "n/v1/geometry.proto\"\226\004\n\016TextAnnotation\022+"
+          + ".proto\022\026google.cloud.vision.v1\032%google/c"
+          + "loud/vision/v1/geometry.proto\032\034google/ap"
+          + "i/annotations.proto\"\226\004\n\016TextAnnotation\022+"
           + "\n\005pages\030\001 \003(\0132\034.google.cloud.vision.v1.P"
           + "age\022\014\n\004text\030\002 \001(\t\032=\n\020DetectedLanguage\022\025\n"
           + "\rlanguage_code\030\001 \001(\t\022\022\n\nconfidence\030\002 \001(\002"
@@ -118,8 +118,8 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
     com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
         descriptorData,
         new com.google.protobuf.Descriptors.FileDescriptor[] {
-          com.google.api.AnnotationsProto.getDescriptor(),
           com.google.cloud.vision.v1.GeometryProto.getDescriptor(),
+          com.google.api.AnnotationsProto.getDescriptor(),
         },
         assigner);
     internal_static_google_cloud_vision_v1_TextAnnotation_descriptor =
@@ -194,8 +194,8 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
             new java.lang.String[] {
               "Property", "BoundingBox", "Text", "Confidence",
             });
-    com.google.api.AnnotationsProto.getDescriptor();
     com.google.cloud.vision.v1.GeometryProto.getDescriptor();
+    com.google.api.AnnotationsProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductRequest.java
index b1548f31670f..a4f474f7d8d9 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductRequest.java
@@ -118,11 +118,12 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * The Product resource which replaces the one on the server.
+   * Required. The Product resource which replaces the one on the server.
    * product.name is immutable.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.Product product = 1;</code>
+   * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public boolean hasProduct() {
     return product_ != null;
@@ -131,11 +132,12 @@ public boolean hasProduct() {
    *
    *
    * <pre>
-   * The Product resource which replaces the one on the server.
+   * Required. The Product resource which replaces the one on the server.
    * product.name is immutable.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.Product product = 1;</code>
+   * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.Product getProduct() {
     return product_ == null ? com.google.cloud.vision.v1.Product.getDefaultInstance() : product_;
@@ -144,11 +146,12 @@ public com.google.cloud.vision.v1.Product getProduct() {
    *
    *
    * <pre>
-   * The Product resource which replaces the one on the server.
+   * Required. The Product resource which replaces the one on the server.
    * product.name is immutable.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.Product product = 1;</code>
+   * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.ProductOrBuilder getProductOrBuilder() {
     return getProduct();
@@ -572,11 +575,12 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The Product resource which replaces the one on the server.
+     * Required. The Product resource which replaces the one on the server.
      * product.name is immutable.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 1;</code>
+     * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public boolean hasProduct() {
       return productBuilder_ != null || product_ != null;
@@ -585,11 +589,12 @@ public boolean hasProduct() {
      *
      *
      * <pre>
-     * The Product resource which replaces the one on the server.
+     * Required. The Product resource which replaces the one on the server.
      * product.name is immutable.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 1;</code>
+     * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.Product getProduct() {
       if (productBuilder_ == null) {
@@ -604,11 +609,12 @@ public com.google.cloud.vision.v1.Product getProduct() {
      *
      *
      * <pre>
-     * The Product resource which replaces the one on the server.
+     * Required. The Product resource which replaces the one on the server.
      * product.name is immutable.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 1;</code>
+     * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setProduct(com.google.cloud.vision.v1.Product value) {
       if (productBuilder_ == null) {
@@ -627,11 +633,12 @@ public Builder setProduct(com.google.cloud.vision.v1.Product value) {
      *
      *
      * <pre>
-     * The Product resource which replaces the one on the server.
+     * Required. The Product resource which replaces the one on the server.
      * product.name is immutable.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 1;</code>
+     * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setProduct(com.google.cloud.vision.v1.Product.Builder builderForValue) {
       if (productBuilder_ == null) {
@@ -647,11 +654,12 @@ public Builder setProduct(com.google.cloud.vision.v1.Product.Builder builderForV
      *
      *
      * <pre>
-     * The Product resource which replaces the one on the server.
+     * Required. The Product resource which replaces the one on the server.
      * product.name is immutable.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 1;</code>
+     * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder mergeProduct(com.google.cloud.vision.v1.Product value) {
       if (productBuilder_ == null) {
@@ -674,11 +682,12 @@ public Builder mergeProduct(com.google.cloud.vision.v1.Product value) {
      *
      *
      * <pre>
-     * The Product resource which replaces the one on the server.
+     * Required. The Product resource which replaces the one on the server.
      * product.name is immutable.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 1;</code>
+     * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder clearProduct() {
       if (productBuilder_ == null) {
@@ -695,11 +704,12 @@ public Builder clearProduct() {
      *
      *
      * <pre>
-     * The Product resource which replaces the one on the server.
+     * Required. The Product resource which replaces the one on the server.
      * product.name is immutable.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 1;</code>
+     * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.Product.Builder getProductBuilder() {
 
@@ -710,11 +720,12 @@ public com.google.cloud.vision.v1.Product.Builder getProductBuilder() {
      *
      *
      * <pre>
-     * The Product resource which replaces the one on the server.
+     * Required. The Product resource which replaces the one on the server.
      * product.name is immutable.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 1;</code>
+     * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ProductOrBuilder getProductOrBuilder() {
       if (productBuilder_ != null) {
@@ -729,11 +740,12 @@ public com.google.cloud.vision.v1.ProductOrBuilder getProductOrBuilder() {
      *
      *
      * <pre>
-     * The Product resource which replaces the one on the server.
+     * Required. The Product resource which replaces the one on the server.
      * product.name is immutable.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.Product product = 1;</code>
+     * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloud.vision.v1.Product,
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductRequestOrBuilder.java
index 08d2eacd7c69..2f43e06122df 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductRequestOrBuilder.java
@@ -12,33 +12,36 @@ public interface UpdateProductRequestOrBuilder
    *
    *
    * <pre>
-   * The Product resource which replaces the one on the server.
+   * Required. The Product resource which replaces the one on the server.
    * product.name is immutable.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.Product product = 1;</code>
+   * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   boolean hasProduct();
   /**
    *
    *
    * <pre>
-   * The Product resource which replaces the one on the server.
+   * Required. The Product resource which replaces the one on the server.
    * product.name is immutable.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.Product product = 1;</code>
+   * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.Product getProduct();
   /**
    *
    *
    * <pre>
-   * The Product resource which replaces the one on the server.
+   * Required. The Product resource which replaces the one on the server.
    * product.name is immutable.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.Product product = 1;</code>
+   * <code>.google.cloud.vision.v1.Product product = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.ProductOrBuilder getProductOrBuilder();
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductSetRequest.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductSetRequest.java
index 663cebe7bf7b..e07c3d7e5519 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductSetRequest.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductSetRequest.java
@@ -119,10 +119,12 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * The ProductSet resource which replaces the one on the server.
+   * Required. The ProductSet resource which replaces the one on the server.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+   * <code>
+   * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public boolean hasProductSet() {
     return productSet_ != null;
@@ -131,10 +133,12 @@ public boolean hasProductSet() {
    *
    *
    * <pre>
-   * The ProductSet resource which replaces the one on the server.
+   * Required. The ProductSet resource which replaces the one on the server.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+   * <code>
+   * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.ProductSet getProductSet() {
     return productSet_ == null
@@ -145,10 +149,12 @@ public com.google.cloud.vision.v1.ProductSet getProductSet() {
    *
    *
    * <pre>
-   * The ProductSet resource which replaces the one on the server.
+   * Required. The ProductSet resource which replaces the one on the server.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+   * <code>
+   * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   public com.google.cloud.vision.v1.ProductSetOrBuilder getProductSetOrBuilder() {
     return getProductSet();
@@ -570,10 +576,12 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * The ProductSet resource which replaces the one on the server.
+     * Required. The ProductSet resource which replaces the one on the server.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public boolean hasProductSet() {
       return productSetBuilder_ != null || productSet_ != null;
@@ -582,10 +590,12 @@ public boolean hasProductSet() {
      *
      *
      * <pre>
-     * The ProductSet resource which replaces the one on the server.
+     * Required. The ProductSet resource which replaces the one on the server.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ProductSet getProductSet() {
       if (productSetBuilder_ == null) {
@@ -600,10 +610,12 @@ public com.google.cloud.vision.v1.ProductSet getProductSet() {
      *
      *
      * <pre>
-     * The ProductSet resource which replaces the one on the server.
+     * Required. The ProductSet resource which replaces the one on the server.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setProductSet(com.google.cloud.vision.v1.ProductSet value) {
       if (productSetBuilder_ == null) {
@@ -622,10 +634,12 @@ public Builder setProductSet(com.google.cloud.vision.v1.ProductSet value) {
      *
      *
      * <pre>
-     * The ProductSet resource which replaces the one on the server.
+     * Required. The ProductSet resource which replaces the one on the server.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder setProductSet(com.google.cloud.vision.v1.ProductSet.Builder builderForValue) {
       if (productSetBuilder_ == null) {
@@ -641,10 +655,12 @@ public Builder setProductSet(com.google.cloud.vision.v1.ProductSet.Builder build
      *
      *
      * <pre>
-     * The ProductSet resource which replaces the one on the server.
+     * Required. The ProductSet resource which replaces the one on the server.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder mergeProductSet(com.google.cloud.vision.v1.ProductSet value) {
       if (productSetBuilder_ == null) {
@@ -667,10 +683,12 @@ public Builder mergeProductSet(com.google.cloud.vision.v1.ProductSet value) {
      *
      *
      * <pre>
-     * The ProductSet resource which replaces the one on the server.
+     * Required. The ProductSet resource which replaces the one on the server.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public Builder clearProductSet() {
       if (productSetBuilder_ == null) {
@@ -687,10 +705,12 @@ public Builder clearProductSet() {
      *
      *
      * <pre>
-     * The ProductSet resource which replaces the one on the server.
+     * Required. The ProductSet resource which replaces the one on the server.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ProductSet.Builder getProductSetBuilder() {
 
@@ -701,10 +721,12 @@ public com.google.cloud.vision.v1.ProductSet.Builder getProductSetBuilder() {
      *
      *
      * <pre>
-     * The ProductSet resource which replaces the one on the server.
+     * Required. The ProductSet resource which replaces the one on the server.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     public com.google.cloud.vision.v1.ProductSetOrBuilder getProductSetOrBuilder() {
       if (productSetBuilder_ != null) {
@@ -719,10 +741,12 @@ public com.google.cloud.vision.v1.ProductSetOrBuilder getProductSetOrBuilder() {
      *
      *
      * <pre>
-     * The ProductSet resource which replaces the one on the server.
+     * Required. The ProductSet resource which replaces the one on the server.
      * </pre>
      *
-     * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+     * <code>
+     * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
      */
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloud.vision.v1.ProductSet,
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductSetRequestOrBuilder.java b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductSetRequestOrBuilder.java
index e258e289d3a3..dd5cfa894e73 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductSetRequestOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/UpdateProductSetRequestOrBuilder.java
@@ -12,30 +12,36 @@ public interface UpdateProductSetRequestOrBuilder
    *
    *
    * <pre>
-   * The ProductSet resource which replaces the one on the server.
+   * Required. The ProductSet resource which replaces the one on the server.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+   * <code>
+   * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   boolean hasProductSet();
   /**
    *
    *
    * <pre>
-   * The ProductSet resource which replaces the one on the server.
+   * Required. The ProductSet resource which replaces the one on the server.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+   * <code>
+   * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.ProductSet getProductSet();
   /**
    *
    *
    * <pre>
-   * The ProductSet resource which replaces the one on the server.
+   * Required. The ProductSet resource which replaces the one on the server.
    * </pre>
    *
-   * <code>.google.cloud.vision.v1.ProductSet product_set = 1;</code>
+   * <code>
+   * .google.cloud.vision.v1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
    */
   com.google.cloud.vision.v1.ProductSetOrBuilder getProductSetOrBuilder();
 
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/image_annotator.proto b/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/image_annotator.proto
index e4ca1539350a..6cff8dde4d51 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/image_annotator.proto
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/image_annotator.proto
@@ -19,6 +19,7 @@ package google.cloud.vision.v1;
 
 import "google/api/annotations.proto";
 import "google/api/client.proto";
+import "google/api/field_behavior.proto";
 import "google/cloud/vision/v1/geometry.proto";
 import "google/cloud/vision/v1/product_search.proto";
 import "google/cloud/vision/v1/text_annotation.proto";
@@ -47,8 +48,7 @@ service ImageAnnotator {
       "https://www.googleapis.com/auth/cloud-vision";
 
   // Run image detection and annotation for a batch of images.
-  rpc BatchAnnotateImages(BatchAnnotateImagesRequest)
-      returns (BatchAnnotateImagesResponse) {
+  rpc BatchAnnotateImages(BatchAnnotateImagesRequest) returns (BatchAnnotateImagesResponse) {
     option (google.api.http) = {
       post: "/v1/images:annotate"
       body: "*"
@@ -61,6 +61,7 @@ service ImageAnnotator {
         body: "*"
       }
     };
+    option (google.api.method_signature) = "requests";
   }
 
   // Service that performs image detection and annotation for a batch of files.
@@ -70,8 +71,7 @@ service ImageAnnotator {
   // AnnotateFileRequest.pages) frames (gif) or pages (pdf or tiff) from each
   // file provided and perform detection and annotation for each image
   // extracted.
-  rpc BatchAnnotateFiles(BatchAnnotateFilesRequest)
-      returns (BatchAnnotateFilesResponse) {
+  rpc BatchAnnotateFiles(BatchAnnotateFilesRequest) returns (BatchAnnotateFilesResponse) {
     option (google.api.http) = {
       post: "/v1/files:annotate"
       body: "*"
@@ -84,6 +84,7 @@ service ImageAnnotator {
         body: "*"
       }
     };
+    option (google.api.method_signature) = "requests";
   }
 
   // Run asynchronous image detection and annotation for a list of images.
@@ -95,8 +96,7 @@ service ImageAnnotator {
   //
   // This service will write image annotation outputs to json files in customer
   // GCS bucket, each json file containing BatchAnnotateImagesResponse proto.
-  rpc AsyncBatchAnnotateImages(AsyncBatchAnnotateImagesRequest)
-      returns (google.longrunning.Operation) {
+  rpc AsyncBatchAnnotateImages(AsyncBatchAnnotateImagesRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/images:asyncBatchAnnotate"
       body: "*"
@@ -109,6 +109,11 @@ service ImageAnnotator {
         body: "*"
       }
     };
+    option (google.api.method_signature) = "requests,output_config";
+    option (google.longrunning.operation_info) = {
+      response_type: "AsyncBatchAnnotateImagesResponse"
+      metadata_type: "OperationMetadata"
+    };
   }
 
   // Run asynchronous image detection and annotation for a list of generic
@@ -117,8 +122,7 @@ service ImageAnnotator {
   // `google.longrunning.Operations` interface.
   // `Operation.metadata` contains `OperationMetadata` (metadata).
   // `Operation.response` contains `AsyncBatchAnnotateFilesResponse` (results).
-  rpc AsyncBatchAnnotateFiles(AsyncBatchAnnotateFilesRequest)
-      returns (google.longrunning.Operation) {
+  rpc AsyncBatchAnnotateFiles(AsyncBatchAnnotateFilesRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/files:asyncBatchAnnotate"
       body: "*"
@@ -131,6 +135,11 @@ service ImageAnnotator {
         body: "*"
       }
     };
+    option (google.api.method_signature) = "requests";
+    option (google.longrunning.operation_info) = {
+      response_type: "AsyncBatchAnnotateFilesResponse"
+      metadata_type: "OperationMetadata"
+    };
   }
 }
 
@@ -557,6 +566,30 @@ message SafeSearchAnnotation {
   // covered nudity, lewd or provocative poses, or close-ups of sensitive
   // body areas.
   Likelihood racy = 9;
+
+  // Confidence of adult_score. Range [0, 1]. 0 means not confident, 1 means
+  // very confident.
+  float adult_confidence = 16;
+
+  // Confidence of spoof_score. Range [0, 1]. 0 means not confident, 1 means
+  // very confident.
+  float spoof_confidence = 18;
+
+  // Confidence of medical_score. Range [0, 1]. 0 means not confident, 1 means
+  // very confident.
+  float medical_confidence = 20;
+
+  // Confidence of violence_score. Range [0, 1]. 0 means not confident, 1 means
+  // very confident.
+  float violence_confidence = 22;
+
+  // Confidence of racy_score. Range [0, 1]. 0 means not confident, 1 means very
+  // confident.
+  float racy_confidence = 24;
+
+  // Confidence of nsfw_score. Range [0, 1]. 0 means not confident, 1 means very
+  // confident.
+  float nsfw_confidence = 26;
 }
 
 // Rectangle determined by min and max `LatLng` pairs.
@@ -732,28 +765,10 @@ message AnnotateImageResponse {
   ImageAnnotationContext context = 21;
 }
 
-// Response to a single file annotation request. A file may contain one or more
-// images, which individually have their own responses.
-message AnnotateFileResponse {
-  // Information about the file for which this response is generated.
-  InputConfig input_config = 1;
-
-  // Individual responses to images found within the file. This field will be
-  // empty if the `error` field is set.
-  repeated AnnotateImageResponse responses = 2;
-
-  // This field gives the total number of pages in the file.
-  int32 total_pages = 3;
-
-  // If set, represents the error message for the failed request. The
-  // `responses` field will not be set in this case.
-  google.rpc.Status error = 4;
-}
-
 // Multiple image annotation requests are batched into a single service call.
 message BatchAnnotateImagesRequest {
-  // Individual image annotation requests for this batch.
-  repeated AnnotateImageRequest requests = 1;
+  // Required. Individual image annotation requests for this batch.
+  repeated AnnotateImageRequest requests = 1 [(google.api.field_behavior) = REQUIRED];
 
   // Optional. Target project and location to make a call.
   //
@@ -804,11 +819,29 @@ message AnnotateFileRequest {
   repeated int32 pages = 4;
 }
 
+// Response to a single file annotation request. A file may contain one or more
+// images, which individually have their own responses.
+message AnnotateFileResponse {
+  // Information about the file for which this response is generated.
+  InputConfig input_config = 1;
+
+  // Individual responses to images found within the file. This field will be
+  // empty if the `error` field is set.
+  repeated AnnotateImageResponse responses = 2;
+
+  // This field gives the total number of pages in the file.
+  int32 total_pages = 3;
+
+  // If set, represents the error message for the failed request. The
+  // `responses` field will not be set in this case.
+  google.rpc.Status error = 4;
+}
+
 // A list of requests to annotate files using the BatchAnnotateFiles API.
 message BatchAnnotateFilesRequest {
-  // The list of file annotation requests. Right now we support only one
+  // Required. The list of file annotation requests. Right now we support only one
   // AnnotateFileRequest in BatchAnnotateFilesRequest.
-  repeated AnnotateFileRequest requests = 1;
+  repeated AnnotateFileRequest requests = 1 [(google.api.field_behavior) = REQUIRED];
 
   // Optional. Target project and location to make a call.
   //
@@ -855,11 +888,11 @@ message AsyncAnnotateFileResponse {
 
 // Request for async image annotation for a list of images.
 message AsyncBatchAnnotateImagesRequest {
-  // Individual image annotation requests for this batch.
-  repeated AnnotateImageRequest requests = 1;
+  // Required. Individual image annotation requests for this batch.
+  repeated AnnotateImageRequest requests = 1 [(google.api.field_behavior) = REQUIRED];
 
   // Required. The desired output location and metadata (e.g. format).
-  OutputConfig output_config = 2;
+  OutputConfig output_config = 2 [(google.api.field_behavior) = REQUIRED];
 
   // Optional. Target project and location to make a call.
   //
@@ -885,8 +918,8 @@ message AsyncBatchAnnotateImagesResponse {
 // Multiple async file annotation requests are batched into a single service
 // call.
 message AsyncBatchAnnotateFilesRequest {
-  // Individual async file annotation requests for this batch.
-  repeated AsyncAnnotateFileRequest requests = 1;
+  // Required. Individual async file annotation requests for this batch.
+  repeated AsyncAnnotateFileRequest requests = 1 [(google.api.field_behavior) = REQUIRED];
 
   // Optional. Target project and location to make a call.
   //
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/product_search.proto b/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/product_search.proto
index 28d36abbb9a9..bede95be4687 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/product_search.proto
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/product_search.proto
@@ -17,10 +17,10 @@ syntax = "proto3";
 
 package google.cloud.vision.v1;
 
-import "google/api/annotations.proto";
 import "google/cloud/vision/v1/geometry.proto";
 import "google/cloud/vision/v1/product_search_service.proto";
 import "google/protobuf/timestamp.proto";
+import "google/api/annotations.proto";
 
 option cc_enable_arenas = true;
 option go_package = "google.golang.org/genproto/googleapis/cloud/vision/v1;vision";
@@ -35,8 +35,7 @@ message ProductSearchParams {
   // Optional. If it is not specified, system discretion will be applied.
   BoundingPoly bounding_poly = 9;
 
-  // The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to
-  // be searched for similar images.
+  // The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to be searched for similar images.
   //
   // Format is:
   // `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`.
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/product_search_service.proto b/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/product_search_service.proto
index a892a6fb6bbe..72657399acec 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/product_search_service.proto
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/product_search_service.proto
@@ -19,6 +19,8 @@ package google.cloud.vision.v1;
 
 import "google/api/annotations.proto";
 import "google/api/client.proto";
+import "google/api/field_behavior.proto";
+import "google/api/resource.proto";
 import "google/cloud/vision/v1/geometry.proto";
 import "google/longrunning/operations.proto";
 import "google/protobuf/empty.proto";
@@ -36,18 +38,16 @@ option objc_class_prefix = "GCVN";
 // Manages Products and ProductSets of reference images for use in product
 // search. It uses the following resource model:
 //
-// - The API has a collection of [ProductSet][google.cloud.vision.v1.ProductSet]
-// resources, named `projects/*/locations/*/productSets/*`, which acts as a way
-// to put different products into groups to limit identification.
+// - The API has a collection of [ProductSet][google.cloud.vision.v1.ProductSet] resources, named
+// `projects/*/locations/*/productSets/*`, which acts as a way to put different
+// products into groups to limit identification.
 //
 // In parallel,
 //
-// - The API has a collection of [Product][google.cloud.vision.v1.Product]
-// resources, named
+// - The API has a collection of [Product][google.cloud.vision.v1.Product] resources, named
 //   `projects/*/locations/*/products/*`
 //
-// - Each [Product][google.cloud.vision.v1.Product] has a collection of
-// [ReferenceImage][google.cloud.vision.v1.ReferenceImage] resources, named
+// - Each [Product][google.cloud.vision.v1.Product] has a collection of [ReferenceImage][google.cloud.vision.v1.ReferenceImage] resources, named
 //   `projects/*/locations/*/products/*/referenceImages/*`
 service ProductSearch {
   option (google.api.default_host) = "vision.googleapis.com";
@@ -66,6 +66,7 @@ service ProductSearch {
       post: "/v1/{parent=projects/*/locations/*}/productSets"
       body: "product_set"
     };
+    option (google.api.method_signature) = "parent,product_set,product_set_id";
   }
 
   // Lists ProductSets in an unspecified order.
@@ -74,11 +75,11 @@ service ProductSearch {
   //
   // * Returns INVALID_ARGUMENT if page_size is greater than 100, or less
   //   than 1.
-  rpc ListProductSets(ListProductSetsRequest)
-      returns (ListProductSetsResponse) {
+  rpc ListProductSets(ListProductSetsRequest) returns (ListProductSetsResponse) {
     option (google.api.http) = {
       get: "/v1/{parent=projects/*/locations/*}/productSets"
     };
+    option (google.api.method_signature) = "parent";
   }
 
   // Gets information associated with a ProductSet.
@@ -90,6 +91,7 @@ service ProductSearch {
     option (google.api.http) = {
       get: "/v1/{name=projects/*/locations/*/productSets/*}"
     };
+    option (google.api.method_signature) = "name";
   }
 
   // Makes changes to a ProductSet resource.
@@ -105,17 +107,18 @@ service ProductSearch {
       patch: "/v1/{product_set.name=projects/*/locations/*/productSets/*}"
       body: "product_set"
     };
+    option (google.api.method_signature) = "product_set,update_mask";
   }
 
   // Permanently deletes a ProductSet. Products and ReferenceImages in the
   // ProductSet are not deleted.
   //
   // The actual image files are not deleted from Google Cloud Storage.
-  rpc DeleteProductSet(DeleteProductSetRequest)
-      returns (google.protobuf.Empty) {
+  rpc DeleteProductSet(DeleteProductSetRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       delete: "/v1/{name=projects/*/locations/*/productSets/*}"
     };
+    option (google.api.method_signature) = "name";
   }
 
   // Creates and returns a new product resource.
@@ -131,6 +134,7 @@ service ProductSearch {
       post: "/v1/{parent=projects/*/locations/*}/products"
       body: "product"
     };
+    option (google.api.method_signature) = "parent,product,product_id";
   }
 
   // Lists products in an unspecified order.
@@ -142,6 +146,7 @@ service ProductSearch {
     option (google.api.http) = {
       get: "/v1/{parent=projects/*/locations/*}/products"
     };
+    option (google.api.method_signature) = "parent";
   }
 
   // Gets information associated with a Product.
@@ -153,6 +158,7 @@ service ProductSearch {
     option (google.api.http) = {
       get: "/v1/{name=projects/*/locations/*/products/*}"
     };
+    option (google.api.method_signature) = "name";
   }
 
   // Makes changes to a Product resource.
@@ -175,6 +181,7 @@ service ProductSearch {
       patch: "/v1/{product.name=projects/*/locations/*/products/*}"
       body: "product"
     };
+    option (google.api.method_signature) = "product,update_mask";
   }
 
   // Permanently deletes a product and its reference images.
@@ -186,6 +193,7 @@ service ProductSearch {
     option (google.api.http) = {
       delete: "/v1/{name=projects/*/locations/*/products/*}"
     };
+    option (google.api.method_signature) = "name";
   }
 
   // Creates and returns a new ReferenceImage resource.
@@ -207,12 +215,12 @@ service ProductSearch {
   // * Returns INVALID_ARGUMENT if bounding_poly is not provided, and nothing
   //   compatible with the parent product's product_category is detected.
   // * Returns INVALID_ARGUMENT if bounding_poly contains more than 10 polygons.
-  rpc CreateReferenceImage(CreateReferenceImageRequest)
-      returns (ReferenceImage) {
+  rpc CreateReferenceImage(CreateReferenceImageRequest) returns (ReferenceImage) {
     option (google.api.http) = {
       post: "/v1/{parent=projects/*/locations/*/products/*}/referenceImages"
       body: "reference_image"
     };
+    option (google.api.method_signature) = "parent,reference_image,reference_image_id";
   }
 
   // Permanently deletes a reference image.
@@ -222,11 +230,11 @@ service ProductSearch {
   // caches are refreshed.
   //
   // The actual image files are not deleted from Google Cloud Storage.
-  rpc DeleteReferenceImage(DeleteReferenceImageRequest)
-      returns (google.protobuf.Empty) {
+  rpc DeleteReferenceImage(DeleteReferenceImageRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       delete: "/v1/{name=projects/*/locations/*/products/*/referenceImages/*}"
     };
+    option (google.api.method_signature) = "name";
   }
 
   // Lists reference images.
@@ -236,11 +244,11 @@ service ProductSearch {
   // * Returns NOT_FOUND if the parent product does not exist.
   // * Returns INVALID_ARGUMENT if the page_size is greater than 100, or less
   //   than 1.
-  rpc ListReferenceImages(ListReferenceImagesRequest)
-      returns (ListReferenceImagesResponse) {
+  rpc ListReferenceImages(ListReferenceImagesRequest) returns (ListReferenceImagesResponse) {
     option (google.api.http) = {
       get: "/v1/{parent=projects/*/locations/*/products/*}/referenceImages"
     };
+    option (google.api.method_signature) = "parent";
   }
 
   // Gets information associated with a ReferenceImage.
@@ -262,21 +270,21 @@ service ProductSearch {
   // Possible errors:
   //
   // * Returns NOT_FOUND if the Product or the ProductSet doesn't exist.
-  rpc AddProductToProductSet(AddProductToProductSetRequest)
-      returns (google.protobuf.Empty) {
+  rpc AddProductToProductSet(AddProductToProductSetRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       post: "/v1/{name=projects/*/locations/*/productSets/*}:addProduct"
       body: "*"
     };
+    option (google.api.method_signature) = "name,product";
   }
 
   // Removes a Product from the specified ProductSet.
-  rpc RemoveProductFromProductSet(RemoveProductFromProductSetRequest)
-      returns (google.protobuf.Empty) {
+  rpc RemoveProductFromProductSet(RemoveProductFromProductSetRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       post: "/v1/{name=projects/*/locations/*/productSets/*}:removeProduct"
       body: "*"
     };
+    option (google.api.method_signature) = "name,product";
   }
 
   // Lists the Products in a ProductSet, in an unspecified order. If the
@@ -286,30 +294,34 @@ service ProductSearch {
   // Possible errors:
   //
   // * Returns INVALID_ARGUMENT if page_size is greater than 100 or less than 1.
-  rpc ListProductsInProductSet(ListProductsInProductSetRequest)
-      returns (ListProductsInProductSetResponse) {
+  rpc ListProductsInProductSet(ListProductsInProductSetRequest) returns (ListProductsInProductSetResponse) {
     option (google.api.http) = {
       get: "/v1/{name=projects/*/locations/*/productSets/*}/products"
     };
+    option (google.api.method_signature) = "name";
   }
 
   // Asynchronous API that imports a list of reference images to specified
   // product sets based on a list of image information.
   //
-  // The [google.longrunning.Operation][google.longrunning.Operation] API can be
-  // used to keep track of the progress and results of the request.
+  // The [google.longrunning.Operation][google.longrunning.Operation] API can be used to keep track of the
+  // progress and results of the request.
   // `Operation.metadata` contains `BatchOperationMetadata`. (progress)
   // `Operation.response` contains `ImportProductSetsResponse`. (results)
   //
   // The input source of this method is a csv file on Google Cloud Storage.
   // For the format of the csv file please see
   // [ImportProductSetsGcsSource.csv_file_uri][google.cloud.vision.v1.ImportProductSetsGcsSource.csv_file_uri].
-  rpc ImportProductSets(ImportProductSetsRequest)
-      returns (google.longrunning.Operation) {
+  rpc ImportProductSets(ImportProductSetsRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{parent=projects/*/locations/*}/productSets:import"
       body: "*"
     };
+    option (google.api.method_signature) = "parent,input_config";
+    option (google.longrunning.operation_info) = {
+      response_type: "ImportProductSetsResponse"
+      metadata_type: "BatchOperationMetadata"
+    };
   }
 
   // Asynchronous API to delete all Products in a ProductSet or all Products
@@ -333,20 +345,29 @@ service ProductSearch {
   // ProductSet, you must wait until the PurgeProducts operation has finished
   // for that ProductSet.
   //
-  // The [google.longrunning.Operation][google.longrunning.Operation] API can be
-  // used to keep track of the progress and results of the request.
+  // The [google.longrunning.Operation][google.longrunning.Operation] API can be used to keep track of the
+  // progress and results of the request.
   // `Operation.metadata` contains `BatchOperationMetadata`. (progress)
-  rpc PurgeProducts(PurgeProductsRequest)
-      returns (google.longrunning.Operation) {
+  rpc PurgeProducts(PurgeProductsRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{parent=projects/*/locations/*}/products:purge"
       body: "*"
     };
+    option (google.api.method_signature) = "parent";
+    option (google.longrunning.operation_info) = {
+      response_type: "google.protobuf.Empty"
+      metadata_type: "BatchOperationMetadata"
+    };
   }
 }
 
 // A Product contains ReferenceImages.
 message Product {
+  option (google.api.resource) = {
+    type: "vision.googleapis.com/Product"
+    pattern: "projects/{project}/locations/{location}/products/{product}"
+  };
+
   // A product label represented as a key-value pair.
   message KeyValue {
     // The key of the label attached to the product. Cannot be empty and cannot
@@ -374,13 +395,11 @@ message Product {
   // characters long.
   string description = 3;
 
-  // The category for the product identified by the reference image. This should
+  // Immutable. The category for the product identified by the reference image. This should
   // be either "homegoods-v2", "apparel-v2", "toys-v2", "packagedgoods-v1", or
   // "general-v1" The legacy categories "homegoods", "apparel", and "toys" are
   // still supported, but these should not be used for new products.
-  //
-  // This field is immutable.
-  string product_category = 4;
+  string product_category = 4 [(google.api.field_behavior) = IMMUTABLE];
 
   // Key-value pairs that can be attached to a product. At query time,
   // constraints can be specified based on the product_labels.
@@ -402,6 +421,11 @@ message Product {
 // million reference images. If the limit is exceeded, periodic indexing will
 // fail.
 message ProductSet {
+  option (google.api.resource) = {
+    type: "vision.googleapis.com/ProductSet"
+    pattern: "projects/{project}/locations/{location}/productSets/{product_set}"
+  };
+
   // The resource name of the ProductSet.
   //
   // Format is:
@@ -420,18 +444,23 @@ message ProductSet {
   // "1970-01-01T00:00:00Z".
   //
   // This field is ignored when creating a ProductSet.
-  google.protobuf.Timestamp index_time = 3;
+  google.protobuf.Timestamp index_time = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. If there was an error with indexing the product set, the field
   // is populated.
   //
   // This field is ignored when creating a ProductSet.
-  google.rpc.Status index_error = 4;
+  google.rpc.Status index_error = 4 [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
 // A `ReferenceImage` represents a product image and its associated metadata,
 // such as bounding boxes.
 message ReferenceImage {
+  option (google.api.resource) = {
+    type: "vision.googleapis.com/ReferenceImage"
+    pattern: "projects/{project}/locations/{location}/products/{product}/referenceImages/{reference_image}"
+  };
+
   // The resource name of the reference image.
   //
   // Format is:
@@ -441,34 +470,37 @@ message ReferenceImage {
   // This field is ignored when creating a reference image.
   string name = 1;
 
-  // The Google Cloud Storage URI of the reference image.
+  // Required. The Google Cloud Storage URI of the reference image.
   //
   // The URI must start with `gs://`.
-  //
-  // Required.
-  string uri = 2;
+  string uri = 2 [(google.api.field_behavior) = REQUIRED];
 
-  // Bounding polygons around the areas of interest in the reference image.
-  // Optional. If this field is empty, the system will try to detect regions of
+  // Optional. Bounding polygons around the areas of interest in the reference image.
+  // If this field is empty, the system will try to detect regions of
   // interest. At most 10 bounding polygons will be used.
   //
   // The provided shape is converted into a non-rotated rectangle. Once
   // converted, the small edge of the rectangle must be greater than or equal
   // to 300 pixels. The aspect ratio must be 1:4 or less (i.e. 1:3 is ok; 1:5
   // is not).
-  repeated BoundingPoly bounding_polys = 3;
+  repeated BoundingPoly bounding_polys = 3 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request message for the `CreateProduct` method.
 message CreateProductRequest {
-  // The project in which the Product should be created.
+  // Required. The project in which the Product should be created.
   //
   // Format is
   // `projects/PROJECT_ID/locations/LOC_ID`.
-  string parent = 1;
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "locations.googleapis.com/Location"
+    }
+  ];
 
-  // The product to create.
-  Product product = 2;
+  // Required. The product to create.
+  Product product = 2 [(google.api.field_behavior) = REQUIRED];
 
   // A user-supplied resource id for this Product. If set, the server will
   // attempt to use this value as the resource id. If it is already in use, an
@@ -479,11 +511,16 @@ message CreateProductRequest {
 
 // Request message for the `ListProducts` method.
 message ListProductsRequest {
-  // The project OR ProductSet from which Products should be listed.
+  // Required. The project OR ProductSet from which Products should be listed.
   //
   // Format:
   // `projects/PROJECT_ID/locations/LOC_ID`
-  string parent = 1;
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "locations.googleapis.com/Location"
+    }
+  ];
 
   // The maximum number of items to return. Default 10, maximum 100.
   int32 page_size = 2;
@@ -504,18 +541,23 @@ message ListProductsResponse {
 
 // Request message for the `GetProduct` method.
 message GetProductRequest {
-  // Resource name of the Product to get.
+  // Required. Resource name of the Product to get.
   //
   // Format is:
   // `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
-  string name = 1;
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "vision.googleapis.com/Product"
+    }
+  ];
 }
 
 // Request message for the `UpdateProduct` method.
 message UpdateProductRequest {
-  // The Product resource which replaces the one on the server.
+  // Required. The Product resource which replaces the one on the server.
   // product.name is immutable.
-  Product product = 1;
+  Product product = 1 [(google.api.field_behavior) = REQUIRED];
 
   // The [FieldMask][google.protobuf.FieldMask] that specifies which fields
   // to update.
@@ -527,22 +569,32 @@ message UpdateProductRequest {
 
 // Request message for the `DeleteProduct` method.
 message DeleteProductRequest {
-  // Resource name of product to delete.
+  // Required. Resource name of product to delete.
   //
   // Format is:
   // `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
-  string name = 1;
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "vision.googleapis.com/Product"
+    }
+  ];
 }
 
 // Request message for the `CreateProductSet` method.
 message CreateProductSetRequest {
-  // The project in which the ProductSet should be created.
+  // Required. The project in which the ProductSet should be created.
   //
   // Format is `projects/PROJECT_ID/locations/LOC_ID`.
-  string parent = 1;
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "locations.googleapis.com/Location"
+    }
+  ];
 
-  // The ProductSet to create.
-  ProductSet product_set = 2;
+  // Required. The ProductSet to create.
+  ProductSet product_set = 2 [(google.api.field_behavior) = REQUIRED];
 
   // A user-supplied resource id for this ProductSet. If set, the server will
   // attempt to use this value as the resource id. If it is already in use, an
@@ -553,10 +605,15 @@ message CreateProductSetRequest {
 
 // Request message for the `ListProductSets` method.
 message ListProductSetsRequest {
-  // The project from which ProductSets should be listed.
+  // Required. The project from which ProductSets should be listed.
   //
   // Format is `projects/PROJECT_ID/locations/LOC_ID`.
-  string parent = 1;
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "locations.googleapis.com/Location"
+    }
+  ];
 
   // The maximum number of items to return. Default 10, maximum 100.
   int32 page_size = 2;
@@ -577,17 +634,22 @@ message ListProductSetsResponse {
 
 // Request message for the `GetProductSet` method.
 message GetProductSetRequest {
-  // Resource name of the ProductSet to get.
+  // Required. Resource name of the ProductSet to get.
   //
   // Format is:
   // `projects/PROJECT_ID/locations/LOG_ID/productSets/PRODUCT_SET_ID`
-  string name = 1;
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "vision.googleapis.com/ProductSet"
+    }
+  ];
 }
 
 // Request message for the `UpdateProductSet` method.
 message UpdateProductSetRequest {
-  // The ProductSet resource which replaces the one on the server.
-  ProductSet product_set = 1;
+  // Required. The ProductSet resource which replaces the one on the server.
+  ProductSet product_set = 1 [(google.api.field_behavior) = REQUIRED];
 
   // The [FieldMask][google.protobuf.FieldMask] that specifies which fields to
   // update.
@@ -598,24 +660,34 @@ message UpdateProductSetRequest {
 
 // Request message for the `DeleteProductSet` method.
 message DeleteProductSetRequest {
-  // Resource name of the ProductSet to delete.
+  // Required. Resource name of the ProductSet to delete.
   //
   // Format is:
   // `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
-  string name = 1;
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "vision.googleapis.com/ProductSet"
+    }
+  ];
 }
 
 // Request message for the `CreateReferenceImage` method.
 message CreateReferenceImageRequest {
-  // Resource name of the product in which to create the reference image.
+  // Required. Resource name of the product in which to create the reference image.
   //
   // Format is
   // `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
-  string parent = 1;
-
-  // The reference image to create.
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "vision.googleapis.com/Product"
+    }
+  ];
+
+  // Required. The reference image to create.
   // If an image ID is specified, it is ignored.
-  ReferenceImage reference_image = 2;
+  ReferenceImage reference_image = 2 [(google.api.field_behavior) = REQUIRED];
 
   // A user-supplied resource id for the ReferenceImage to be added. If set,
   // the server will attempt to use this value as the resource id. If it is
@@ -626,11 +698,16 @@ message CreateReferenceImageRequest {
 
 // Request message for the `ListReferenceImages` method.
 message ListReferenceImagesRequest {
-  // Resource name of the product containing the reference images.
+  // Required. Resource name of the product containing the reference images.
   //
   // Format is
   // `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
-  string parent = 1;
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "vision.googleapis.com/Product"
+    }
+  ];
 
   // The maximum number of items to return. Default 10, maximum 100.
   int32 page_size = 2;
@@ -656,61 +733,96 @@ message ListReferenceImagesResponse {
 
 // Request message for the `GetReferenceImage` method.
 message GetReferenceImageRequest {
-  // The resource name of the ReferenceImage to get.
+  // Required. The resource name of the ReferenceImage to get.
   //
   // Format is:
   //
   // `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`.
-  string name = 1;
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "vision.googleapis.com/ReferenceImage"
+    }
+  ];
 }
 
 // Request message for the `DeleteReferenceImage` method.
 message DeleteReferenceImageRequest {
-  // The resource name of the reference image to delete.
+  // Required. The resource name of the reference image to delete.
   //
   // Format is:
   //
   // `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`
-  string name = 1;
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "vision.googleapis.com/ReferenceImage"
+    }
+  ];
 }
 
 // Request message for the `AddProductToProductSet` method.
 message AddProductToProductSetRequest {
-  // The resource name for the ProductSet to modify.
+  // Required. The resource name for the ProductSet to modify.
   //
   // Format is:
   // `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
-  string name = 1;
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "vision.googleapis.com/ProductSet"
+    }
+  ];
 
-  // The resource name for the Product to be added to this ProductSet.
+  // Required. The resource name for the Product to be added to this ProductSet.
   //
   // Format is:
   // `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
-  string product = 2;
+  string product = 2 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "vision.googleapis.com/Product"
+    }
+  ];
 }
 
 // Request message for the `RemoveProductFromProductSet` method.
 message RemoveProductFromProductSetRequest {
-  // The resource name for the ProductSet to modify.
+  // Required. The resource name for the ProductSet to modify.
   //
   // Format is:
   // `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
-  string name = 1;
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "vision.googleapis.com/ProductSet"
+    }
+  ];
 
-  // The resource name for the Product to be removed from this ProductSet.
+  // Required. The resource name for the Product to be removed from this ProductSet.
   //
   // Format is:
   // `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
-  string product = 2;
+  string product = 2 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "vision.googleapis.com/Product"
+    }
+  ];
 }
 
 // Request message for the `ListProductsInProductSet` method.
 message ListProductsInProductSetRequest {
-  // The ProductSet resource for which to retrieve Products.
+  // Required. The ProductSet resource for which to retrieve Products.
   //
   // Format is:
   // `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
-  string name = 1;
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "vision.googleapis.com/ProductSet"
+    }
+  ];
 
   // The maximum number of items to return. Default 10, maximum 100.
   int32 page_size = 2;
@@ -757,17 +869,15 @@ message ImportProductSetsGcsSource {
   // `product-display-name` column refers to
   // [display_name][google.cloud.vision.v1.Product.display_name], the
   // `product-category` column refers to
-  // [product_category][google.cloud.vision.v1.Product.product_category], and
-  // the `labels` column refers to
-  // [product_labels][google.cloud.vision.v1.Product.product_labels].
+  // [product_category][google.cloud.vision.v1.Product.product_category], and the
+  // `labels` column refers to [product_labels][google.cloud.vision.v1.Product.product_labels].
   //
   // The `image-id` column is optional but must be unique if provided. If it is
   // empty, the system will automatically assign a unique id to the image.
   //
   // The `product-display-name` column is optional. If it is empty, the system
-  // sets the [display_name][google.cloud.vision.v1.Product.display_name] field
-  // for the product to a space (" "). You can update the `display_name` later
-  // by using the API.
+  // sets the [display_name][google.cloud.vision.v1.Product.display_name] field for the product to a
+  // space (" "). You can update the `display_name` later by using the API.
   //
   // If a `Product` with the specified `product-id` already exists, then the
   // system ignores the `product-display-name`, `product-category`, and `labels`
@@ -810,22 +920,25 @@ message ImportProductSetsInputConfig {
 
 // Request message for the `ImportProductSets` method.
 message ImportProductSetsRequest {
-  // The project in which the ProductSets should be imported.
+  // Required. The project in which the ProductSets should be imported.
   //
   // Format is `projects/PROJECT_ID/locations/LOC_ID`.
-  string parent = 1;
-
-  // The input content for the list of requests.
-  ImportProductSetsInputConfig input_config = 2;
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "locations.googleapis.com/Location"
+    }
+  ];
+
+  // Required. The input content for the list of requests.
+  ImportProductSetsInputConfig input_config = 2 [(google.api.field_behavior) = REQUIRED];
 }
 
 // Response message for the `ImportProductSets` method.
 //
 // This message is returned by the
-// [google.longrunning.Operations.GetOperation][google.longrunning.Operations.GetOperation]
-// method in the returned
-// [google.longrunning.Operation.response][google.longrunning.Operation.response]
-// field.
+// [google.longrunning.Operations.GetOperation][google.longrunning.Operations.GetOperation] method in the returned
+// [google.longrunning.Operation.response][google.longrunning.Operation.response] field.
 message ImportProductSetsResponse {
   // The list of reference_images that are imported successfully.
   repeated ReferenceImage reference_images = 1;
@@ -872,8 +985,7 @@ message BatchOperationMetadata {
   google.protobuf.Timestamp submit_time = 2;
 
   // The time when the batch request is finished and
-  // [google.longrunning.Operation.done][google.longrunning.Operation.done] is
-  // set to true.
+  // [google.longrunning.Operation.done][google.longrunning.Operation.done] is set to true.
   google.protobuf.Timestamp end_time = 3;
 }
 
@@ -897,10 +1009,15 @@ message PurgeProductsRequest {
     bool delete_orphan_products = 3;
   }
 
-  // The project and location in which the Products should be deleted.
+  // Required. The project and location in which the Products should be deleted.
   //
   // Format is `projects/PROJECT_ID/locations/LOC_ID`.
-  string parent = 1;
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "locations.googleapis.com/Location"
+    }
+  ];
 
   // The default value is false. Override this value to true to actually perform
   // the purge.
diff --git a/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/text_annotation.proto b/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/text_annotation.proto
index 09459b90e69d..97f9c8fa9c2e 100644
--- a/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/text_annotation.proto
+++ b/google-api-grpc/proto-google-cloud-vision-v1/src/main/proto/google/cloud/vision/v1/text_annotation.proto
@@ -17,8 +17,8 @@ syntax = "proto3";
 
 package google.cloud.vision.v1;
 
-import "google/api/annotations.proto";
 import "google/cloud/vision/v1/geometry.proto";
+import "google/api/annotations.proto";
 
 option cc_enable_arenas = true;
 option go_package = "google.golang.org/genproto/googleapis/cloud/vision/v1;vision";
@@ -32,9 +32,8 @@ option objc_class_prefix = "GCVN";
 //     TextAnnotation -> Page -> Block -> Paragraph -> Word -> Symbol
 // Each structural component, starting from Page, may further have their own
 // properties. Properties describe detected languages, breaks etc.. Please refer
-// to the
-// [TextAnnotation.TextProperty][google.cloud.vision.v1.TextAnnotation.TextProperty]
-// message definition below for more detail.
+// to the [TextAnnotation.TextProperty][google.cloud.vision.v1.TextAnnotation.TextProperty] message definition below for more
+// detail.
 message TextAnnotation {
   // Detected language for a structural component.
   message DetectedLanguage {
diff --git a/google-cloud-clients/google-cloud-vision/src/main/java/com/google/cloud/vision/v1/ImageAnnotatorClient.java b/google-cloud-clients/google-cloud-vision/src/main/java/com/google/cloud/vision/v1/ImageAnnotatorClient.java
index c68d2be0f886..151c8943ed6f 100644
--- a/google-cloud-clients/google-cloud-vision/src/main/java/com/google/cloud/vision/v1/ImageAnnotatorClient.java
+++ b/google-cloud-clients/google-cloud-vision/src/main/java/com/google/cloud/vision/v1/ImageAnnotatorClient.java
@@ -176,7 +176,7 @@ public final OperationsClient getOperationsClient() {
    * }
    * </code></pre>
    *
-   * @param requests Individual image annotation requests for this batch.
+   * @param requests Required. Individual image annotation requests for this batch.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
   public final BatchAnnotateImagesResponse batchAnnotateImages(
@@ -251,7 +251,7 @@ public final BatchAnnotateImagesResponse batchAnnotateImages(BatchAnnotateImages
    * }
    * </code></pre>
    *
-   * @param requests The list of file annotation requests. Right now we support only one
+   * @param requests Required. The list of file annotation requests. Right now we support only one
    *     AnnotateFileRequest in BatchAnnotateFilesRequest.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -339,7 +339,7 @@ public final BatchAnnotateFilesResponse batchAnnotateFiles(BatchAnnotateFilesReq
    * }
    * </code></pre>
    *
-   * @param requests Individual image annotation requests for this batch.
+   * @param requests Required. Individual image annotation requests for this batch.
    * @param outputConfig Required. The desired output location and metadata (e.g. format).
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -475,7 +475,7 @@ public final BatchAnnotateFilesResponse batchAnnotateFiles(BatchAnnotateFilesReq
    * }
    * </code></pre>
    *
-   * @param requests Individual async file annotation requests for this batch.
+   * @param requests Required. Individual async file annotation requests for this batch.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
   @BetaApi(
diff --git a/google-cloud-clients/google-cloud-vision/src/main/java/com/google/cloud/vision/v1/ProductSearchClient.java b/google-cloud-clients/google-cloud-vision/src/main/java/com/google/cloud/vision/v1/ProductSearchClient.java
index f26efc6d3bb9..91083b46050a 100644
--- a/google-cloud-clients/google-cloud-vision/src/main/java/com/google/cloud/vision/v1/ProductSearchClient.java
+++ b/google-cloud-clients/google-cloud-vision/src/main/java/com/google/cloud/vision/v1/ProductSearchClient.java
@@ -403,9 +403,9 @@ public final OperationsClient getOperationsClient() {
    * }
    * </code></pre>
    *
-   * @param parent The project in which the ProductSet should be created.
+   * @param parent Required. The project in which the ProductSet should be created.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID`.
-   * @param productSet The ProductSet to create.
+   * @param productSet Required. The ProductSet to create.
    * @param productSetId A user-supplied resource id for this ProductSet. If set, the server will
    *     attempt to use this value as the resource id. If it is already in use, an error is returned
    *     with code ALREADY_EXISTS. Must be at most 128 characters long. It cannot contain the
@@ -444,9 +444,9 @@ public final ProductSet createProductSet(
    * }
    * </code></pre>
    *
-   * @param parent The project in which the ProductSet should be created.
+   * @param parent Required. The project in which the ProductSet should be created.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID`.
-   * @param productSet The ProductSet to create.
+   * @param productSet Required. The ProductSet to create.
    * @param productSetId A user-supplied resource id for this ProductSet. If set, the server will
    *     attempt to use this value as the resource id. If it is already in use, an error is returned
    *     with code ALREADY_EXISTS. Must be at most 128 characters long. It cannot contain the
@@ -543,7 +543,7 @@ public final UnaryCallable<CreateProductSetRequest, ProductSet> createProductSet
    * }
    * </code></pre>
    *
-   * @param parent The project from which ProductSets should be listed.
+   * @param parent Required. The project from which ProductSets should be listed.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -574,7 +574,7 @@ public final ListProductSetsPagedResponse listProductSets(LocationName parent) {
    * }
    * </code></pre>
    *
-   * @param parent The project from which ProductSets should be listed.
+   * @param parent Required. The project from which ProductSets should be listed.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -694,7 +694,7 @@ public final ListProductSetsPagedResponse listProductSets(ListProductSetsRequest
    * }
    * </code></pre>
    *
-   * @param name Resource name of the ProductSet to get.
+   * @param name Required. Resource name of the ProductSet to get.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOG_ID/productSets/PRODUCT_SET_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -722,7 +722,7 @@ public final ProductSet getProductSet(ProductSetName name) {
    * }
    * </code></pre>
    *
-   * @param name Resource name of the ProductSet to get.
+   * @param name Required. Resource name of the ProductSet to get.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOG_ID/productSets/PRODUCT_SET_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -805,7 +805,7 @@ public final UnaryCallable<GetProductSetRequest, ProductSet> getProductSetCallab
    * }
    * </code></pre>
    *
-   * @param productSet The ProductSet resource which replaces the one on the server.
+   * @param productSet Required. The ProductSet resource which replaces the one on the server.
    * @param updateMask The [FieldMask][google.protobuf.FieldMask] that specifies which fields to
    *     update. If update_mask isn't specified, all mutable fields are to be updated. Valid mask
    *     path is `display_name`.
@@ -894,7 +894,7 @@ public final UnaryCallable<UpdateProductSetRequest, ProductSet> updateProductSet
    * }
    * </code></pre>
    *
-   * @param name Resource name of the ProductSet to delete.
+   * @param name Required. Resource name of the ProductSet to delete.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -921,7 +921,7 @@ public final void deleteProductSet(ProductSetName name) {
    * }
    * </code></pre>
    *
-   * @param name Resource name of the ProductSet to delete.
+   * @param name Required. Resource name of the ProductSet to delete.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -1003,9 +1003,9 @@ public final UnaryCallable<DeleteProductSetRequest, Empty> deleteProductSetCalla
    * }
    * </code></pre>
    *
-   * @param parent The project in which the Product should be created.
+   * @param parent Required. The project in which the Product should be created.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID`.
-   * @param product The product to create.
+   * @param product Required. The product to create.
    * @param productId A user-supplied resource id for this Product. If set, the server will attempt
    *     to use this value as the resource id. If it is already in use, an error is returned with
    *     code ALREADY_EXISTS. Must be at most 128 characters long. It cannot contain the character
@@ -1044,9 +1044,9 @@ public final Product createProduct(LocationName parent, Product product, String
    * }
    * </code></pre>
    *
-   * @param parent The project in which the Product should be created.
+   * @param parent Required. The project in which the Product should be created.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID`.
-   * @param product The product to create.
+   * @param product Required. The product to create.
    * @param productId A user-supplied resource id for this Product. If set, the server will attempt
    *     to use this value as the resource id. If it is already in use, an error is returned with
    *     code ALREADY_EXISTS. Must be at most 128 characters long. It cannot contain the character
@@ -1144,7 +1144,7 @@ public final UnaryCallable<CreateProductRequest, Product> createProductCallable(
    * }
    * </code></pre>
    *
-   * @param parent The project OR ProductSet from which Products should be listed.
+   * @param parent Required. The project OR ProductSet from which Products should be listed.
    *     <p>Format: `projects/PROJECT_ID/locations/LOC_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -1175,7 +1175,7 @@ public final ListProductsPagedResponse listProducts(LocationName parent) {
    * }
    * </code></pre>
    *
-   * @param parent The project OR ProductSet from which Products should be listed.
+   * @param parent Required. The project OR ProductSet from which Products should be listed.
    *     <p>Format: `projects/PROJECT_ID/locations/LOC_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -1294,7 +1294,7 @@ public final UnaryCallable<ListProductsRequest, ListProductsResponse> listProduc
    * }
    * </code></pre>
    *
-   * @param name Resource name of the Product to get.
+   * @param name Required. Resource name of the Product to get.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -1322,7 +1322,7 @@ public final Product getProduct(ProductName name) {
    * }
    * </code></pre>
    *
-   * @param name Resource name of the Product to get.
+   * @param name Required. Resource name of the Product to get.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -1411,8 +1411,8 @@ public final UnaryCallable<GetProductRequest, Product> getProductCallable() {
    * }
    * </code></pre>
    *
-   * @param product The Product resource which replaces the one on the server. product.name is
-   *     immutable.
+   * @param product Required. The Product resource which replaces the one on the server.
+   *     product.name is immutable.
    * @param updateMask The [FieldMask][google.protobuf.FieldMask] that specifies which fields to
    *     update. If update_mask isn't specified, all mutable fields are to be updated. Valid mask
    *     paths include `product_labels`, `display_name`, and `description`.
@@ -1511,7 +1511,7 @@ public final UnaryCallable<UpdateProductRequest, Product> updateProductCallable(
    * }
    * </code></pre>
    *
-   * @param name Resource name of product to delete.
+   * @param name Required. Resource name of product to delete.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -1539,7 +1539,7 @@ public final void deleteProduct(ProductName name) {
    * }
    * </code></pre>
    *
-   * @param name Resource name of product to delete.
+   * @param name Required. Resource name of product to delete.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -1633,10 +1633,10 @@ public final UnaryCallable<DeleteProductRequest, Empty> deleteProductCallable()
    * }
    * </code></pre>
    *
-   * @param parent Resource name of the product in which to create the reference image.
+   * @param parent Required. Resource name of the product in which to create the reference image.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
-   * @param referenceImage The reference image to create. If an image ID is specified, it is
-   *     ignored.
+   * @param referenceImage Required. The reference image to create. If an image ID is specified, it
+   *     is ignored.
    * @param referenceImageId A user-supplied resource id for the ReferenceImage to be added. If set,
    *     the server will attempt to use this value as the resource id. If it is already in use, an
    *     error is returned with code ALREADY_EXISTS. Must be at most 128 characters long. It cannot
@@ -1686,10 +1686,10 @@ public final ReferenceImage createReferenceImage(
    * }
    * </code></pre>
    *
-   * @param parent Resource name of the product in which to create the reference image.
+   * @param parent Required. Resource name of the product in which to create the reference image.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
-   * @param referenceImage The reference image to create. If an image ID is specified, it is
-   *     ignored.
+   * @param referenceImage Required. The reference image to create. If an image ID is specified, it
+   *     is ignored.
    * @param referenceImageId A user-supplied resource id for the ReferenceImage to be added. If set,
    *     the server will attempt to use this value as the resource id. If it is already in use, an
    *     error is returned with code ALREADY_EXISTS. Must be at most 128 characters long. It cannot
@@ -1808,7 +1808,7 @@ public final ReferenceImage createReferenceImage(CreateReferenceImageRequest req
    * }
    * </code></pre>
    *
-   * @param name The resource name of the reference image to delete.
+   * @param name Required. The resource name of the reference image to delete.
    *     <p>Format is:
    *     <p>`projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -1840,7 +1840,7 @@ public final void deleteReferenceImage(ReferenceImageName name) {
    * }
    * </code></pre>
    *
-   * @param name The resource name of the reference image to delete.
+   * @param name Required. The resource name of the reference image to delete.
    *     <p>Format is:
    *     <p>`projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -1927,7 +1927,7 @@ public final UnaryCallable<DeleteReferenceImageRequest, Empty> deleteReferenceIm
    * }
    * </code></pre>
    *
-   * @param parent Resource name of the product containing the reference images.
+   * @param parent Required. Resource name of the product containing the reference images.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -1959,7 +1959,7 @@ public final ListReferenceImagesPagedResponse listReferenceImages(ProductName pa
    * }
    * </code></pre>
    *
-   * @param parent Resource name of the product containing the reference images.
+   * @param parent Required. Resource name of the product containing the reference images.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -2084,7 +2084,7 @@ public final ListReferenceImagesPagedResponse listReferenceImages(
    * }
    * </code></pre>
    *
-   * @param name The resource name of the ReferenceImage to get.
+   * @param name Required. The resource name of the ReferenceImage to get.
    *     <p>Format is:
    *     <p>`projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -2115,7 +2115,7 @@ public final ReferenceImage getReferenceImage(ReferenceImageName name) {
    * }
    * </code></pre>
    *
-   * @param name The resource name of the ReferenceImage to get.
+   * @param name Required. The resource name of the ReferenceImage to get.
    *     <p>Format is:
    *     <p>`projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -2200,9 +2200,9 @@ public final UnaryCallable<GetReferenceImageRequest, ReferenceImage> getReferenc
    * }
    * </code></pre>
    *
-   * @param name The resource name for the ProductSet to modify.
+   * @param name Required. The resource name for the ProductSet to modify.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
-   * @param product The resource name for the Product to be added to this ProductSet.
+   * @param product Required. The resource name for the Product to be added to this ProductSet.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -2237,9 +2237,9 @@ public final void addProductToProductSet(ProductSetName name, ProductName produc
    * }
    * </code></pre>
    *
-   * @param name The resource name for the ProductSet to modify.
+   * @param name Required. The resource name for the ProductSet to modify.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
-   * @param product The resource name for the Product to be added to this ProductSet.
+   * @param product Required. The resource name for the Product to be added to this ProductSet.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -2328,9 +2328,9 @@ public final void addProductToProductSet(AddProductToProductSetRequest request)
    * }
    * </code></pre>
    *
-   * @param name The resource name for the ProductSet to modify.
+   * @param name Required. The resource name for the ProductSet to modify.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
-   * @param product The resource name for the Product to be removed from this ProductSet.
+   * @param product Required. The resource name for the Product to be removed from this ProductSet.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -2358,9 +2358,9 @@ public final void removeProductFromProductSet(ProductSetName name, ProductName p
    * }
    * </code></pre>
    *
-   * @param name The resource name for the ProductSet to modify.
+   * @param name Required. The resource name for the ProductSet to modify.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
-   * @param product The resource name for the Product to be removed from this ProductSet.
+   * @param product Required. The resource name for the Product to be removed from this ProductSet.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -2441,7 +2441,7 @@ public final void removeProductFromProductSet(RemoveProductFromProductSetRequest
    * }
    * </code></pre>
    *
-   * @param name The ProductSet resource for which to retrieve Products.
+   * @param name Required. The ProductSet resource for which to retrieve Products.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -2473,7 +2473,7 @@ public final ListProductsInProductSetPagedResponse listProductsInProductSet(Prod
    * }
    * </code></pre>
    *
-   * @param name The ProductSet resource for which to retrieve Products.
+   * @param name Required. The ProductSet resource for which to retrieve Products.
    *     <p>Format is: `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -2605,9 +2605,9 @@ public final ListProductsInProductSetPagedResponse listProductsInProductSet(
    * }
    * </code></pre>
    *
-   * @param parent The project in which the ProductSets should be imported.
+   * @param parent Required. The project in which the ProductSets should be imported.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID`.
-   * @param inputConfig The input content for the list of requests.
+   * @param inputConfig Required. The input content for the list of requests.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
   @BetaApi(
@@ -2647,9 +2647,9 @@ public final ListProductsInProductSetPagedResponse listProductsInProductSet(
    * }
    * </code></pre>
    *
-   * @param parent The project in which the ProductSets should be imported.
+   * @param parent Required. The project in which the ProductSets should be imported.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID`.
-   * @param inputConfig The input content for the list of requests.
+   * @param inputConfig Required. The input content for the list of requests.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
   @BetaApi(
@@ -2805,7 +2805,7 @@ public final UnaryCallable<ImportProductSetsRequest, Operation> importProductSet
    * }
    * </code></pre>
    *
-   * @param parent The project and location in which the Products should be deleted.
+   * @param parent Required. The project and location in which the Products should be deleted.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -2855,7 +2855,7 @@ public final OperationFuture<Empty, BatchOperationMetadata> purgeProductsAsync(
    * }
    * </code></pre>
    *
-   * @param parent The project and location in which the Products should be deleted.
+   * @param parent Required. The project and location in which the Products should be deleted.
    *     <p>Format is `projects/PROJECT_ID/locations/LOC_ID`.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
diff --git a/google-cloud-clients/google-cloud-vision/synth.metadata b/google-cloud-clients/google-cloud-vision/synth.metadata
index 1a43d0fc3453..7c87dad98108 100644
--- a/google-cloud-clients/google-cloud-vision/synth.metadata
+++ b/google-cloud-clients/google-cloud-vision/synth.metadata
@@ -1,19 +1,18 @@
 {
-  "updateTime": "2019-09-13T08:00:44.505635Z",
+  "updateTime": "2019-09-19T08:05:36.428891Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.36.2",
-        "dockerImage": "googleapis/artman@sha256:0e6f3a668cd68afc768ecbe08817cf6e56a0e64fcbdb1c58c3b97492d12418a1"
+        "version": "0.36.3",
+        "dockerImage": "googleapis/artman@sha256:66ca01f27ef7dc50fbfb7743b67028115a6a8acf43b2d82f9fc826de008adac4"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "dc88acb2ced136067d3ed2356b6a87ca7f017a96",
-        "internalRef": "268735517"
+        "sha": "23f6c4d8d49ef3f1aaa45768869d8616efe4a307"
       }
     }
   ],