code: @Override
      public ListAccountSettingsResult listAccountSettings(ListAccountSettingsRequest request) {
          request = beforeClientExecution(request);
          return executeListAccountSettings(request);
      }
docs: <p>
  Lists the account settings for an Amazon ECS resource for a specified principal.
  </p>
  
  @param listAccountSettingsRequest
  @return Result of the ListAccountSettings operation returned by the service.
  @throws ServerException
  These errors are usually caused by a server issue.
  @throws ClientException
  These errors are usually caused by a client action, such as using an action or resource on behalf of a
  user that doesn't have permissions to use the action or resource, or specifying an identifier that is not
  valid.
  @throws InvalidParameterException
  The specified parameter is invalid. Review the available parameters for the API request.
  @sample AmazonECS.ListAccountSettings
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ecs-2014-11-13/ListAccountSettings" target="_top">AWS API
  Documentation</a>