     }
     
     private func startObservingAudiobusConnections() {
-        let _ = NotificationCenter.default.addObserver(forName: NSNotification.Name.ABConnectionsChanged,
-                                                       object: nil,
-                                                       queue: nil,
-                                                       using: { _ in
+        let _ = NotificationCenter.default.addObserver(forName: NSNotification.Name.ABConnectionsChanged, object: nil, queue: nil, using: { _ in
             self.updateConnections()
         })
     }

                
                if type == kAudioUnitType_RemoteInstrument ||
                    type == kAudioUnitType_RemoteGenerator {
                    self.controller.addAudioSenderPort(
                        ABAudioSenderPort(
                            name: name,
                            title: name,
                            audioComponentDescription: AudioComponentDescription(

    }
    
    var isConnectedToInput: Bool {
        return controller.isConnectedToAudiobus(portOfType: ABPortTypeSender) || audioUnit.isConnectedToInterAppAudio(nodeOfType: kAudioUnitType_RemoteEffect)
    }
    
    // MARK: Connections
