cancelConference static method
Implementation
static Future<TUIActionCallback> cancelConference(String roomId) {
String userData = Tools.generateUserData();
Completer<TUIActionCallback> completer = Completer();
_actionCallback2Future(userData, completer);
_engineSDK.Dart_CancelConference(_conferenceListFFIPointer!,
Tools.string2PointerChar(roomId), Tools.string2PointerChar(userData));
return completer.future;
}