get method
Gets a value by key.
Implementation
@override
Future<dynamic> get(String key) async {
final value = _storage.getItem(key);
if (value == null) return null;
if (value == 'true') return true;
if (value == 'false') return false;
if (value.startsWith('DBL:')) return double.tryParse(value.substring(4));
if (value.startsWith('LIST:')) return value.substring(5).split(',');
return int.tryParse(value) ?? value;
}