code: @Override
      public java.util.concurrent.Future<DeleteItemResult> deleteItemAsync(String tableName, java.util.Map<String, AttributeValue> key,
              com.amazonaws.handlers.AsyncHandler<DeleteItemRequest, DeleteItemResult> asyncHandler) {
  
          return deleteItemAsync(new DeleteItemRequest().withTableName(tableName).withKey(key), asyncHandler);
      }
docs: Simplified method form for invoking the DeleteItem operation with an AsyncHandler.
  
  @see #deleteItemAsync(DeleteItemRequest, com.amazonaws.handlers.AsyncHandler)