/**
* Appends the specified value to the end of the chain of concatinated values. That is, if this
* value has no concatinated value then set the specified value as the concatinated value. If this
* value already has a concatinated value then append the specified value to that concatinated
* value.
*
* @param value the value to concatinate.
*/
public void concat(Value value) {
if (concatValue != null) {
concatValue.concat(value);
} else {
concatValue = value;
}
}
