 	}
 	 
 	/** New data channel has been opened. */
-	func peerConnection(_ peerConnection: RTCPeerConnection, didOpen rtcDataChannel: RTCDataChannel) 
+	func peerConnection(_ peerConnection: RTCPeerConnection, didOpen rtcDataChannel: RTCDataChannel) {
 		NSLog("PluginRTCPeerConnection | ondatachannel")
 
 		let dcId = PluginUtils.randomInt(10000, max:99999)

		self.pluginRTCDTMFSenders = [:]
	}

		

	func run() {
		NSLog("PluginRTCPeerConnection#run()")

		let config = RTCConfiguration();
		config.iceServers = self.pluginRTCPeerConnectionConfig.getIceServers();
		self.rtcPeerConnection = self.rtcPeerConnectionFactory.peerConnection(with: config, constraints: self.pluginRTCPeerConnectionConstraints.getConstraints(), delegate: self)
	}

	func createOffer(

		self.rtcPeerConnection.remove(pluginMediaStream.rtcMediaStream)
	}

	func addTrack(_ track: PluginMediaStreamTrack) -> Bool {
		NSLog("PluginRTCPeerConnection#addTrack()")
		
		if self.rtcPeerConnection.signalingState == RTCSignalingState.closed {
			return false
		}
		
		return true;
	}
	
	func removeTrack(_ track: PluginMediaStreamTrack) {
		NSLog("PluginRTCPeerConnection#removeTrack()")
		
		if self.rtcPeerConnection.signalingState == RTCSignalingState.closed {
			return
		}
	}

	func createDataChannel(
		_ dcId: Int,
