code: @Override
      public ListConfigurationSetsResult listConfigurationSets(ListConfigurationSetsRequest request) {
          request = beforeClientExecution(request);
          return executeListConfigurationSets(request);
      }
docs: List all of the configuration sets associated with your Amazon Pinpoint account in the current region.
  
  @param listConfigurationSetsRequest
  @return Result of the ListConfigurationSets operation returned by the service.
  @throws TooManyRequestsException
  TooManyRequestsException
  @throws BadRequestException
  BadRequestException
  @throws InternalServiceErrorException
  InternalServiceErrorException
  @sample AmazonPinpointSMSVoice.ListConfigurationSets
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/pinpoint-sms-voice-2018-09-05/ListConfigurationSets"
  target="_top">AWS API Documentation</a>