andle.onremotestream(pluginHandle.remoteStream);
      &#47;&#47;   } catch (e) {
      &#47;&#47;     Janus.error(e);
      &#47;&#47;   }
      &#47;&#47;   ;
      &#47;&#47; };
    };

    &#47;&#47; TODO connect addTrack
    if (addTracks &amp;&amp; stream != null) {
      &#47;&#47; var simulcast2 = (callbacks.simulcast2 == true);
      &#47;&#47; FIX ME: janus.js  find out all the track from the stream and then add to the PC
      &#47;&#47; There is no equivalnet call in flutter_webrtc. We will add 