message: fix(authentication-oauth): Updated typings for projects with strictNullChecks
diff: @@ -73,7 +73,7 @@ export class OAuthStrategy extends AuthenticationBaseStrategy {
  return null;
  }
  - async getRedirect (data: AuthenticationResult|Error, params?: Params) {
  + async getRedirect (data: AuthenticationResult|Error, params?: Params): Promise<string | null> {
  const queryRedirect = (params && params.redirect) || '';
  const { redirect } = this.authentication.configuration.oauth;
  