removeAll method
inherited
This operation is not supported by an unmodifiable set.
Implementation
void removeAll(Iterable<Object?> elements) => _throwUnmodifiable();© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-collection/UnmodifiableSetView/removeAll.html