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