code: @Override
      public BatchGetTracesResult batchGetTraces(BatchGetTracesRequest request) {
          request = beforeClientExecution(request);
          return executeBatchGetTraces(request);
      }
docs: <p>
  Retrieves a list of traces specified by ID. Each trace is a collection of segment documents that originates from
  a single request. Use <code>GetTraceSummaries</code> to get a list of trace IDs.
  </p>
  
  @param batchGetTracesRequest
  @return Result of the BatchGetTraces operation returned by the service.
  @throws InvalidRequestException
  The request is missing required parameters or has invalid parameters.
  @throws ThrottledException
  The request exceeds the maximum number of requests per second.
  @sample AWSXRay.BatchGetTraces
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/xray-2016-04-12/BatchGetTraces" target="_top">AWS API
  Documentation</a>