Adding library to my project and making a simple interop fails

[reduxdj]

Flutter 3.17.0-1.0.pre.3 • channel beta • https://github.com/flutter/flutter.git
Framework • revision 12b47270b7 (4 days ago) • 2023-11-27 17:21:11 -0600
Engine • revision dff66925dc ^^^^^^^^^^^

../../../.pub-cache/hosted/pub.dev/typings-0.0.4/lib/src/d/core/lib.dom.d.dart:136048:41: Error: Method not found: 'getProperty'.
static _i2.num get uniformType => _i4.getProperty(
^^^^^^^^^^^
../../../.pub-cache/hosted/pub.dev/typings-0.0.4/lib/src/d/core/lib.dom.d.dart:136052:41: Error: Method not found: 'getProperty'.
static _i2.num get uniformSize => _i4.getProperty(
^^^^^^^^^^^
../../../.pub-cache/hosted/pub.dev/typings-0.0.4/lib/src/d/core/lib.dom.d.dart:136056:47: Error: Method not found: 'getProperty'.
static _i2.num get uniformBlockIndex => _i4.getProperty(
^^^^^^^^^^^
../../../.pub-cache/hosted/pub.dev/typings-0.0.4/lib/src/d/core/lib.dom.d.dart:136060:43: Error: Method not found: 'getProperty'.
static _i2.num get uniformOffset => _i4.getProperty(

import 'package:typings/core.dart' as js;
import 'package:dart_webrtc/src/media_stream_track_impl.dart';
import 'package:universal_html/html.dart' as html;
import 'package:flutter_webrtc/flutter_webrtc.dart';

@JS()
class AudioContext {
  external MediaStreamAudioDestinationNode createMediaStreamDestination();
  external createMediaStreamSource(MediaStream stream);
  // ... other needed methods and properties
}

@JS()
class MediaStream {
  external List<MediaStreamTrack> getTracks();
}

@JS()
class MediaStreamAudioDestinationNode {
  external MediaStream get stream;
}

// Your JsAudioContext class using typings
class JsAudioContext {
  AudioContext? audioContext;
  MediaStreamAudioDestinationNode? destinationNode;

  JsAudioContext() {
    audioContext = AudioContext();
  }

  void createMediaStreamDestination() {
    destinationNode = audioContext?.createMediaStreamDestination();
  }

  void connect(MediaStreamTrack? trackWeb) {
    // Ensure proper handling of trackWeb to MediaStream conversion
    // ...
  }

  MediaStreamTrack getMixedTrack() {
    List<dynamic> outputTrack = MediaStream().getTracks();
    MediaStreamTrack rtcTrack = MediaStreamTrackWeb(outputTrack.toList()[0] as html.MediaStreamTrack);
    return rtcTrack;
  }
}