class StringFormat extends TransformationUtility<StringFormat> {

    public StringFormat setAttributeNames(String... attributeNames) {
        if(attributeNames == null || attributeNames.length == 0) {
            throw new TransformationDefinitionException("Attribute names cannot be null or empty");
        }
        this.attributeNames = attributeNames;
        return this;
    }

    public  StringFormat();
    public  StringFormat(String format);

}