[verified] Publish ReelBox source under GPLv3

lib/media/media_files_stub.dart

@@ -0,0 +1,26 @@
+Future<bool> supportsParallelDownload(String url) async => false;
+Future<bool> exists(String path) async => false;
+Future<int> size(String path) async => 0;
+Future<void> delete(String path) async =>
+    throw UnsupportedError('Native files are unavailable in the browser.');
+Future<List<Map<String, dynamic>>> recoverPackages() async => [];
+Future<Map<String, dynamic>> preparePackage({
+  required String id,
+  required String url,
+  required String type,
+  required Map<String, dynamic> metadata,
+  required int parallel,
+}) async => throw UnsupportedError('Offline packages require the Android app.');
+Future<void> runPackage(
+  String id,
+  void Function(Map<String, dynamic>) onProgress,
+) async => throw UnsupportedError('Offline packages require the Android app.');
+Future<void> pausePackage(String id, {bool cancel = false}) async =>
+    throw UnsupportedError('Offline packages require the Android app.');
+Future<void> deletePackage(String id) async =>
+    throw UnsupportedError('Offline packages require the Android app.');
+Future<String> exportPackage(String id) async =>
+    throw UnsupportedError('Offline packages require the Android app.');
+Future<bool> validatePackage(String id) async => false;
+Future<Map<String, dynamic>> loadPackage(String id) async =>
+    throw UnsupportedError('Offline packages require the Android app.');