1. Import

lib/content_views/utils/content_view_widget.dart

@@ -0,0 +1,13 @@
+import 'package:flutter/cupertino.dart';
+
+import 'header_info.dart';
+
+abstract class ContentViewWidget extends StatefulWidget {
+  const ContentViewWidget({super.key});
+
+  Future<HeaderInfo> getHeaderInfo(BuildContext context);
+
+  void close() {
+    close();
+  }
+}