removeGroupMembers method
Implementation
Future<void> removeGroupMembers({
required String? id,
required List<String>? usernames,
String? appKey,
}) async {
await _channel.invokeMethod(
'removeGroupMembers',
{
'id': id,
'usernameArray': usernames,
'appKey': appKey,
}..removeWhere((key, value) => value == null));
return;
}