addAll method
Adds all elements from the given values to the set.
values: The elements to add to the set.
Implementation
void addAll(Iterable<T> values) {
switch (changeType) {
case ChangeType.hard:
case ChangeType.smart:
smartAddAll(values);
break;
case ChangeType.silent:
silentAddAll(values);
break;
}
}