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