users abstract method

Implementation

TRes users(
    Iterable<Mutation$sendMessageToTarget$sendMessageToTarget$messageGroup$members$users>? Function(
            Iterable<
                CopyWith$Mutation$sendMessageToTarget$sendMessageToTarget$messageGroup$members$users<
                    Mutation$sendMessageToTarget$sendMessageToTarget$messageGroup$members$users>>?)
        _fn);