public void save(T object, DynamoDBSaveExpression saveExpression) {
        mapper.<T>save(object, saveExpression);
    }
Saves the object given into DynamoDB using the specified saveExpression.
@param object The object to save.
@param saveExpression The save expression.
@see com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper#save
aws-java-sdk-dynamodb/src/main/java/com/amazonaws/services/dynamodbv2/datamodeling/DynamoDBTableMapper.java