This operation is not supported by an unmodifiable list.
E removeAt(int index) { throw new UnsupportedError("Cannot remove from an unmodifiable list"); }
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-collection/UnmodifiableListView/removeAt.html