fix analyze

packages/stream_chat_flutter_core/lib/src/message_list_view.dart

@@ -58,7 +58,7 @@ class MessageListView extends StatefulWidget {
     this.messageListController,
   }) : super(key: key);
 
-  MessageListController messageListController;
+  final MessageListController messageListController;
 
   final Widget Function(BuildContext, List<Message>) messageListBuilder;
 

packages/stream_chat_flutter_core/lib/src/message_search_list_view.dart

@@ -2,7 +2,6 @@ import 'dart:convert';
 
 import 'package:flutter/material.dart';
 import 'package:stream_chat/stream_chat.dart';
-import 'lazy_load_scroll_view.dart';
 import 'message_search_bloc.dart';
 
 /// Callback called when tapping on a user

packages/stream_chat_flutter_core/lib/src/user_list_view.dart

@@ -154,12 +154,12 @@ class _UserListViewState extends State<UserListView>
             temp = users..sort((curr, next) => curr.name.compareTo(next.name));
           }
           final groupedUsers = <String, List<User>>{};
-          for (var e in temp) {
+          for (final e in temp) {
             final alphabet = e.name[0]?.toUpperCase();
             groupedUsers[alphabet] = [...groupedUsers[alphabet] ?? [], e];
           }
           final items = <ListItem>[];
-          for (var key in groupedUsers.keys) {
+          for (final key in groupedUsers.keys) {
             items.add(ListHeaderItem(key));
             items.addAll(groupedUsers[key].map((e) => ListUserItem(e)));
           }

packages/stream_chat_flutter_core/test/stream_chat_flutter_core_test.dart

@@ -1,3 +1 @@
-import 'package:flutter_test/flutter_test.dart';
-
 void main() {}