code: @Override
      public ListWebhooksResult listWebhooks(ListWebhooksRequest request) {
          request = beforeClientExecution(request);
          return executeListWebhooks(request);
      }
docs: <p>
  Gets a listing of all the webhooks in this region for this account. The output lists all webhooks and includes
  the webhook URL and ARN, as well the configuration for each webhook.
  </p>
  
  @param listWebhooksRequest
  @return Result of the ListWebhooks operation returned by the service.
  @throws ValidationException
  The validation was specified in an invalid format.
  @throws InvalidNextTokenException
  The next token was specified in an invalid format. Make sure that the next token you provided is the
  token returned by a previous call.
  @sample AWSCodePipeline.ListWebhooks
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/codepipeline-2015-07-09/ListWebhooks" target="_top">AWS API
  Documentation</a>