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