diff --git a/packages/typescript-eslint/src/config-helper.ts b/packages/typescript-eslint/src/config-helper.ts
index dd366b70cdbf..61d63b8a6b82 100644
--- a/packages/typescript-eslint/src/config-helper.ts
+++ b/packages/typescript-eslint/src/config-helper.ts
@@ -18,7 +18,7 @@ TODO - convert this to /utils/ts-eslint
 */
 import type { TSESLint } from '@typescript-eslint/utils';
 
-interface ConfigWithExtends extends TSESLint.FlatConfig.Config {
+export interface ConfigWithExtends extends TSESLint.FlatConfig.Config {
   /**
    * Allows you to "extend" a set of configs similar to `extends` from the
    * classic configs.
diff --git a/packages/typescript-eslint/src/index.ts b/packages/typescript-eslint/src/index.ts
index 078b4c670117..20074daf4b42 100644
--- a/packages/typescript-eslint/src/index.ts
+++ b/packages/typescript-eslint/src/index.ts
@@ -3,6 +3,7 @@ import * as parserBase from '@typescript-eslint/parser';
 // see the comment in config-helper.ts for why this doesn't use /ts-eslint
 import type { TSESLint } from '@typescript-eslint/utils';
 
+import type { ConfigWithExtends } from './config-helper';
 import { config } from './config-helper';
 import allConfig from './configs/all';
 import baseConfig from './configs/base';
@@ -45,6 +46,7 @@ const configs = {
 };
 
 export type Config = TSESLint.FlatConfig.ConfigFile;
+export type { ConfigWithExtends };
 /*
 eslint-disable-next-line import/no-default-export --
 we do both a default and named exports to allow people to use this package from