From 19869a1575fc5de634d0c9df8bbbeb382a743959 Mon Sep 17 00:00:00 2001
From: Hiroshi Horie <548776+hiroshihorie@users.noreply.github.com>
Date: Fri, 3 Dec 2021 01:10:40 +0700
Subject: [PATCH] minor fix

---
 lib/src/participant/local_participant.dart        | 2 +-
 lib/src/participant/remote_participant.dart       | 3 +--
 lib/src/publication/remote_track_publication.dart | 3 +--
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/lib/src/participant/local_participant.dart b/lib/src/participant/local_participant.dart
index 18f3cc1..832c691 100644
--- a/lib/src/participant/local_participant.dart
+++ b/lib/src/participant/local_participant.dart
@@ -25,7 +25,7 @@ class LocalParticipant extends Participant {
   final AudioPublishOptions? defaultAudioPublishOptions;
 
   @override
-  covariant Map<String, LocalTrackPublication> trackPublications = {};
+  final Map<String, LocalTrackPublication> trackPublications = {};
 
   LocalParticipant({
     required RTCEngine engine,
diff --git a/lib/src/participant/remote_participant.dart b/lib/src/participant/remote_participant.dart
index 35d4769..444c330 100644
--- a/lib/src/participant/remote_participant.dart
+++ b/lib/src/participant/remote_participant.dart
@@ -12,14 +12,13 @@ import '../publication/remote_track_publication.dart';
 import '../rtc_engine.dart';
 import '../track/remote/audio.dart';
 import '../track/remote/video.dart';
-import '../track/track.dart';
 import '../types.dart';
 import 'participant.dart';
 
 /// Represents other participant in the [Room].
 class RemoteParticipant extends Participant {
   @override
-  covariant Map<String, RemoteTrackPublication> trackPublications = {};
+  final Map<String, RemoteTrackPublication> trackPublications = {};
 
   @override
   List<RemoteTrackPublication> get subscribedTracks =>
diff --git a/lib/src/publication/remote_track_publication.dart b/lib/src/publication/remote_track_publication.dart
index d98ad52..145fe68 100644
--- a/lib/src/publication/remote_track_publication.dart
+++ b/lib/src/publication/remote_track_publication.dart
@@ -11,9 +11,8 @@ import '../logger.dart';
 import '../participant/remote_participant.dart';
 import '../proto/livekit_models.pb.dart' as lk_models;
 import '../proto/livekit_rtc.pb.dart' as lk_rtc;
-import '../utils.dart';
 import '../track/remote.dart';
-import '../track/track.dart';
+import '../utils.dart';
 import 'track_publication.dart';
 
 class RendererVisibility {