updateAll method
This operation is not supported by an unmodifiable map.
Implementation
@override
void updateAll(Value2Callback<K, V, V> update) {
throw UnsupportedError('Cannot modify unmodifiable map');
}
This operation is not supported by an unmodifiable map.
@override
void updateAll(Value2Callback<K, V, V> update) {
throw UnsupportedError('Cannot modify unmodifiable map');
}