copyWith method
Implementation
GroupDetails copyWith({String? groupId, String? name}) {
  return GroupDetails(
    groupId: groupId ?? this.groupId,
    name: name ?? this.name,
  );
}GroupDetails copyWith({String? groupId, String? name}) {
  return GroupDetails(
    groupId: groupId ?? this.groupId,
    name: name ?? this.name,
  );
}