export client config interface on root as ConfigurationOptions (#3485)

.changes/next-release/feature-Type-505e9b51.json

@@ -0,0 +1,5 @@
+{
+ "type": "feature",
+ "category": "Type",
+ "description": "export client config interface on root as ConfigurationOptions"
+}

lib/config-base.d.ts

@@ -116,6 +116,9 @@ export interface RetryDelayOptions {
  customBackoff?: (retryCount: number, err?: Error) => number
 }
 
+/**
+ * Common configuration entries to construct a service client.
+ */
 export abstract class ConfigurationOptions {
 
  /**

lib/core.d.ts

@@ -1,5 +1,5 @@
 export {Config} from './config';
-export {HTTPOptions} from './config-base';
+export {HTTPOptions, ConfigurationOptions} from './config-base';
 export {Credentials} from './credentials';
 export {CognitoIdentityCredentials} from './credentials/cognito_identity_credentials';
 export {CredentialProviderChain} from './credentials/credential_provider_chain';