@Override
    public java.util.concurrent.Future<DeleteItemResult> deleteItemAsync(String tableName, java.util.Map<String, AttributeValue> key, String returnValues,
            com.amazonaws.handlers.AsyncHandler<DeleteItemRequest, DeleteItemResult> asyncHandler) {

        return deleteItemAsync(new DeleteItemRequest().withTableName(tableName).withKey(key).withReturnValues(returnValues), asyncHandler);
    }
Simplified method form for invoking the DeleteItem operation with an AsyncHandler.

@see #deleteItemAsync(DeleteItemRequest, com.amazonaws.handlers.AsyncHandler)
aws-java-sdk-dynamodb/src/main/java/com/amazonaws/services/dynamodbv2/AbstractAmazonDynamoDBAsync.java