move internal types

Author: hiroshihorie

lib/src/internal/types.dart

@@ -0,0 +1,18 @@
+
+import 'dart:ui';
+
+import 'package:meta/meta.dart';
+
+@internal
+class RendererVisibility {
+  final String rendererId;
+  final String trackId;
+  final bool visible;
+  final Size size;
+  RendererVisibility({
+    required this.rendererId,
+    required this.trackId,
+    required this.visible,
+    required this.size,
+  });
+}

lib/src/publication/remote.dart

@@ -4,10 +4,11 @@ import 'dart:ui';
 import 'package:collection/collection.dart';
 import 'package:meta/meta.dart';
 
-import '../events.dart';
 import '../core/signal_client.dart';
+import '../events.dart';
 import '../extensions.dart';
 import '../internal/events.dart';
+import '../internal/types.dart';
 import '../logger.dart';
 import '../options.dart';
 import '../participant/remote.dart';
@@ -18,19 +19,6 @@ import '../types.dart';
 import '../utils.dart';
 import 'track_publication.dart';
 
-class RendererVisibility {
-  final String rendererId;
-  final String trackId;
-  final bool visible;
-  final Size size;
-  RendererVisibility({
-    required this.rendererId,
-    required this.trackId,
-    required this.visible,
-    required this.size,
-  });
-}
-
 /// Represents a track publication from a RemoteParticipant. Provides methods to
 /// control if we should subscribe to the track, and its quality (for video).
 class RemoteTrackPublication<T extends RemoteTrack>