refresh method
Implementation
Future<bool> refresh() async {
final before = value;
final range = "'$worksheetTitle'!$label:$label";
value = getOrEmpty(await _ws._get(range, dimenColumns));
return before != value;
}
Future<bool> refresh() async {
final before = value;
final range = "'$worksheetTitle'!$label:$label";
value = getOrEmpty(await _ws._get(range, dimenColumns));
return before != value;
}