chore: lint

Author: d-goog

src/auth/impersonated.ts

@@ -158,11 +158,8 @@ export class Impersonated extends OAuth2Client implements IdTokenProvider {
 
   /**
    * Refreshes the access token.
-   * @param refreshToken Unused parameter
    */
-  protected async refreshToken(
-    refreshToken?: string | null
-  ): Promise<GetTokenResponse> {
+  protected async refreshToken(): Promise<GetTokenResponse> {
     try {
       await this.sourceClient.getAccessToken();
       const name = 'projects/-/serviceAccounts/' + this.targetPrincipal;

test/test.downscopedclient.ts

@@ -17,7 +17,7 @@ import {describe, it, beforeEach, afterEach} from 'mocha';
 import * as nock from 'nock';
 import * as sinon from 'sinon';
 
-import {GaxiosError, GaxiosOptions, GaxiosPromise} from 'gaxios';
+import {GaxiosError, GaxiosPromise} from 'gaxios';
 import {Credentials} from '../src/auth/credentials';
 import {StsSuccessfulResponse} from '../src/auth/stscredentials';
 import {