diff --git a/.kokoro/common.cfg b/.kokoro/common.cfg
index 6687c6bde..8399354bf 100644
--- a/.kokoro/common.cfg
+++ b/.kokoro/common.cfg
@@ -8,6 +8,6 @@ build_file: "google-http-java-client/.kokoro/trampoline.sh"
 
 # Tell the trampoline which build file to use.
 env_vars: {
-    key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/google-http-java-client/.kokoro/build.sh"
+  key: "TRAMPOLINE_BUILD_FILE"
+  value: "github/google-http-java-client/.kokoro/build.sh"
 }
diff --git a/.kokoro/continuous/common.cfg b/.kokoro/continuous/common.cfg
index 582175deb..a5178e08c 100644
--- a/.kokoro/continuous/common.cfg
+++ b/.kokoro/continuous/common.cfg
@@ -14,11 +14,11 @@ gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
 build_file: "google-http-java-client/.kokoro/trampoline.sh"
 
 env_vars: {
-    key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/google-http-java-client/.kokoro/build.sh"
+  key: "TRAMPOLINE_BUILD_FILE"
+  value: "github/google-http-java-client/.kokoro/build.sh"
 }
 
 env_vars: {
-    key: "JOB_TYPE"
-    value: "test"
+  key: "JOB_TYPE"
+  value: "test"
 }
diff --git a/.kokoro/continuous/dependencies.cfg b/.kokoro/continuous/dependencies.cfg
index 4de4271a3..b89a20740 100644
--- a/.kokoro/continuous/dependencies.cfg
+++ b/.kokoro/continuous/dependencies.cfg
@@ -2,8 +2,8 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
 
 env_vars: {
diff --git a/.kokoro/continuous/integration.cfg b/.kokoro/continuous/integration.cfg
index 34f6c33e5..3b017fc80 100644
--- a/.kokoro/continuous/integration.cfg
+++ b/.kokoro/continuous/integration.cfg
@@ -2,6 +2,6 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
diff --git a/.kokoro/continuous/java11.cfg b/.kokoro/continuous/java11.cfg
index b81a66a3c..709f2b4c7 100644
--- a/.kokoro/continuous/java11.cfg
+++ b/.kokoro/continuous/java11.cfg
@@ -2,6 +2,6 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java11"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java11"
 }
diff --git a/.kokoro/continuous/java7.cfg b/.kokoro/continuous/java7.cfg
index 584e8ea60..cb24f44ee 100644
--- a/.kokoro/continuous/java7.cfg
+++ b/.kokoro/continuous/java7.cfg
@@ -2,6 +2,6 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java7"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java7"
 }
diff --git a/.kokoro/continuous/java8.cfg b/.kokoro/continuous/java8.cfg
index 34f6c33e5..3b017fc80 100644
--- a/.kokoro/continuous/java8.cfg
+++ b/.kokoro/continuous/java8.cfg
@@ -2,6 +2,6 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
diff --git a/.kokoro/continuous/lint.cfg b/.kokoro/continuous/lint.cfg
index eb517a23e..6d323c8ae 100644
--- a/.kokoro/continuous/lint.cfg
+++ b/.kokoro/continuous/lint.cfg
@@ -3,11 +3,11 @@
 # Configure the docker image for kokoro-trampoline.
 
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
 
 env_vars: {
-    key: "JOB_TYPE"
-    value: "lint"
+  key: "JOB_TYPE"
+  value: "lint"
 }
\ No newline at end of file
diff --git a/.kokoro/nightly/common.cfg b/.kokoro/nightly/common.cfg
index 582175deb..a5178e08c 100644
--- a/.kokoro/nightly/common.cfg
+++ b/.kokoro/nightly/common.cfg
@@ -14,11 +14,11 @@ gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
 build_file: "google-http-java-client/.kokoro/trampoline.sh"
 
 env_vars: {
-    key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/google-http-java-client/.kokoro/build.sh"
+  key: "TRAMPOLINE_BUILD_FILE"
+  value: "github/google-http-java-client/.kokoro/build.sh"
 }
 
 env_vars: {
-    key: "JOB_TYPE"
-    value: "test"
+  key: "JOB_TYPE"
+  value: "test"
 }
diff --git a/.kokoro/nightly/dependencies.cfg b/.kokoro/nightly/dependencies.cfg
index 4de4271a3..b89a20740 100644
--- a/.kokoro/nightly/dependencies.cfg
+++ b/.kokoro/nightly/dependencies.cfg
@@ -2,8 +2,8 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
 
 env_vars: {
diff --git a/.kokoro/nightly/integration.cfg b/.kokoro/nightly/integration.cfg
index 34f6c33e5..3b017fc80 100644
--- a/.kokoro/nightly/integration.cfg
+++ b/.kokoro/nightly/integration.cfg
@@ -2,6 +2,6 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
diff --git a/.kokoro/nightly/java11.cfg b/.kokoro/nightly/java11.cfg
index b81a66a3c..709f2b4c7 100644
--- a/.kokoro/nightly/java11.cfg
+++ b/.kokoro/nightly/java11.cfg
@@ -2,6 +2,6 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java11"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java11"
 }
diff --git a/.kokoro/nightly/java7.cfg b/.kokoro/nightly/java7.cfg
index 584e8ea60..cb24f44ee 100644
--- a/.kokoro/nightly/java7.cfg
+++ b/.kokoro/nightly/java7.cfg
@@ -2,6 +2,6 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java7"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java7"
 }
diff --git a/.kokoro/nightly/java8.cfg b/.kokoro/nightly/java8.cfg
index 34f6c33e5..3b017fc80 100644
--- a/.kokoro/nightly/java8.cfg
+++ b/.kokoro/nightly/java8.cfg
@@ -2,6 +2,6 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
diff --git a/.kokoro/nightly/lint.cfg b/.kokoro/nightly/lint.cfg
index eb517a23e..6d323c8ae 100644
--- a/.kokoro/nightly/lint.cfg
+++ b/.kokoro/nightly/lint.cfg
@@ -3,11 +3,11 @@
 # Configure the docker image for kokoro-trampoline.
 
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
 
 env_vars: {
-    key: "JOB_TYPE"
-    value: "lint"
+  key: "JOB_TYPE"
+  value: "lint"
 }
\ No newline at end of file
diff --git a/.kokoro/presubmit/common.cfg b/.kokoro/presubmit/common.cfg
index 48b591f7c..709e429bf 100644
--- a/.kokoro/presubmit/common.cfg
+++ b/.kokoro/presubmit/common.cfg
@@ -14,13 +14,13 @@ gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
 build_file: "google-http-java-client/.kokoro/trampoline.sh"
 
 env_vars: {
-    key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/google-http-java-client/.kokoro/build.sh"
+  key: "TRAMPOLINE_BUILD_FILE"
+  value: "github/google-http-java-client/.kokoro/build.sh"
 }
 
 env_vars: {
-    key: "JOB_TYPE"
-    value: "test"
+  key: "JOB_TYPE"
+  value: "test"
 }
 
 before_action {
diff --git a/.kokoro/presubmit/dependencies.cfg b/.kokoro/presubmit/dependencies.cfg
index 4de4271a3..b89a20740 100644
--- a/.kokoro/presubmit/dependencies.cfg
+++ b/.kokoro/presubmit/dependencies.cfg
@@ -2,8 +2,8 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
 
 env_vars: {
diff --git a/.kokoro/presubmit/integration.cfg b/.kokoro/presubmit/integration.cfg
index 34f6c33e5..3b017fc80 100644
--- a/.kokoro/presubmit/integration.cfg
+++ b/.kokoro/presubmit/integration.cfg
@@ -2,6 +2,6 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
diff --git a/.kokoro/presubmit/java11.cfg b/.kokoro/presubmit/java11.cfg
index b81a66a3c..709f2b4c7 100644
--- a/.kokoro/presubmit/java11.cfg
+++ b/.kokoro/presubmit/java11.cfg
@@ -2,6 +2,6 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java11"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java11"
 }
diff --git a/.kokoro/presubmit/java7.cfg b/.kokoro/presubmit/java7.cfg
index 584e8ea60..cb24f44ee 100644
--- a/.kokoro/presubmit/java7.cfg
+++ b/.kokoro/presubmit/java7.cfg
@@ -2,6 +2,6 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java7"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java7"
 }
diff --git a/.kokoro/presubmit/java8.cfg b/.kokoro/presubmit/java8.cfg
index 34f6c33e5..3b017fc80 100644
--- a/.kokoro/presubmit/java8.cfg
+++ b/.kokoro/presubmit/java8.cfg
@@ -2,6 +2,6 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
diff --git a/.kokoro/presubmit/linkage-monitor.cfg b/.kokoro/presubmit/linkage-monitor.cfg
index c32b0b938..20ab48cc8 100644
--- a/.kokoro/presubmit/linkage-monitor.cfg
+++ b/.kokoro/presubmit/linkage-monitor.cfg
@@ -2,8 +2,8 @@
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
 
 env_vars: {
diff --git a/.kokoro/presubmit/lint.cfg b/.kokoro/presubmit/lint.cfg
index eb517a23e..6d323c8ae 100644
--- a/.kokoro/presubmit/lint.cfg
+++ b/.kokoro/presubmit/lint.cfg
@@ -3,11 +3,11 @@
 # Configure the docker image for kokoro-trampoline.
 
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
 
 env_vars: {
-    key: "JOB_TYPE"
-    value: "lint"
+  key: "JOB_TYPE"
+  value: "lint"
 }
\ No newline at end of file
diff --git a/.kokoro/release/common.cfg b/.kokoro/release/common.cfg
index 5e39fef43..cbcd33991 100644
--- a/.kokoro/release/common.cfg
+++ b/.kokoro/release/common.cfg
@@ -8,8 +8,8 @@ build_file: "google-http-java-client/.kokoro/trampoline.sh"
 
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
 
 before_action {
diff --git a/.kokoro/release/drop.cfg b/.kokoro/release/drop.cfg
index 51ac729d0..48da9c343 100644
--- a/.kokoro/release/drop.cfg
+++ b/.kokoro/release/drop.cfg
@@ -1,8 +1,8 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
 env_vars: {
-    key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/google-http-java-client/.kokoro/release/drop.sh"
+  key: "TRAMPOLINE_BUILD_FILE"
+  value: "github/google-http-java-client/.kokoro/release/drop.sh"
 }
 
 # Download staging properties file.
diff --git a/.kokoro/release/promote.cfg b/.kokoro/release/promote.cfg
index 2d06e55e8..2fb22c3fe 100644
--- a/.kokoro/release/promote.cfg
+++ b/.kokoro/release/promote.cfg
@@ -1,8 +1,8 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
 env_vars: {
-    key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/google-http-java-client/.kokoro/release/promote.sh"
+  key: "TRAMPOLINE_BUILD_FILE"
+  value: "github/google-http-java-client/.kokoro/release/promote.sh"
 }
 
 # Download staging properties file.
diff --git a/.kokoro/release/snapshot.cfg b/.kokoro/release/snapshot.cfg
index f6afdf68c..865cff806 100644
--- a/.kokoro/release/snapshot.cfg
+++ b/.kokoro/release/snapshot.cfg
@@ -1,6 +1,6 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
 env_vars: {
-    key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/google-http-java-client/.kokoro/release/snapshot.sh"
+  key: "TRAMPOLINE_BUILD_FILE"
+  value: "github/google-http-java-client/.kokoro/release/snapshot.sh"
 }
\ No newline at end of file
diff --git a/.kokoro/release/stage.cfg b/.kokoro/release/stage.cfg
index 4ea285a5a..3463d3d7b 100644
--- a/.kokoro/release/stage.cfg
+++ b/.kokoro/release/stage.cfg
@@ -1,8 +1,8 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
 env_vars: {
-    key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/google-http-java-client/.kokoro/release/stage.sh"
+  key: "TRAMPOLINE_BUILD_FILE"
+  value: "github/google-http-java-client/.kokoro/release/stage.sh"
 }
 
 # Need to save the properties file
diff --git a/synth.metadata b/synth.metadata
index 1eff26d99..e2dc83f87 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -1,5 +1,5 @@
 {
-  "updateTime": "2019-07-31T20:12:46.410742Z",
+  "updateTime": "2019-08-09T08:09:03.535997Z",
   "sources": [
     {
       "template": {