removeAll method
Removes each element of elements
from this set.
final characters = <String>{'A', 'B', 'C'};
characters.removeAll({'A', 'B', 'X'});
print(characters); // {C}
Implementation
@override
void removeAll(Iterable<Object?> elements) {
super.value.removeAll(value);
super._valueStreamController.sink.add(super.value);
}