class GroupData {
final String id;
final String name;
GroupData(this.id, this.name);
@override
String toString() {
return 'GroupData{id: $id, name: $name}';
}
bool operator ==(Object other) =>
identical(this, other) ||
other is GroupData && runtimeType == other.runtimeType && id == other.id;
int get hashCode => id.hashCode;