code: @Override
      public java.util.concurrent.Future<DescribeTrailsResult> describeTrailsAsync(
              com.amazonaws.handlers.AsyncHandler<DescribeTrailsRequest, DescribeTrailsResult> asyncHandler) {
  
          return describeTrailsAsync(new DescribeTrailsRequest(), asyncHandler);
      }
docs: Simplified method form for invoking the DescribeTrails operation with an AsyncHandler.
  
  @see #describeTrailsAsync(DescribeTrailsRequest, com.amazonaws.handlers.AsyncHandler)