code: @Override
      public ListTopicsResult listTopics(ListTopicsRequest request) {
          request = beforeClientExecution(request);
          return executeListTopics(request);
      }
docs: <p>
  Returns a list of the requester's topics. Each call returns a limited list of topics, up to 100. If there are
  more topics, a <code>NextToken</code> is also returned. Use the <code>NextToken</code> parameter in a new
  <code>ListTopics</code> call to get further results.
  </p>
  <p>
  This action is throttled at 30 transactions per second (TPS).
  </p>
  
  @param listTopicsRequest
  @return Result of the ListTopics operation returned by the service.
  @throws InvalidParameterException
  Indicates that a request parameter does not comply with the associated constraints.
  @throws InternalErrorException
  Indicates an internal service error.
  @throws AuthorizationErrorException
  Indicates that the user has been denied access to the requested resource.
  @sample AmazonSNS.ListTopics
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/sns-2010-03-31/ListTopics" target="_top">AWS API
  Documentation</a>