getAllUsers method
override
    Retrieves all users. Used for chat creation.
Implementation
@override
Future<List<ChatUserModel>> getAllUsers() =>
    Future.value(users.where((element) => element.id != '3').toList());Retrieves all users. Used for chat creation.
@override
Future<List<ChatUserModel>> getAllUsers() =>
    Future.value(users.where((element) => element.id != '3').toList());