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