describeState method
Override this to provide a customized description of the state. This is used by the built-in observers for improved logging.
Implementation
@override
String describeState(Map<F, T> state) {
if (_describeState != null) {
return _describeMapState(state, _describeState!);
} else {
return _describeMapState(state, (value) => value.toString());
}
}