fix analysis

packages/stream_chat/lib/src/client/client.dart

@@ -127,10 +127,12 @@ class StreamChatClient {
     _originalChatPersistenceClient = value;
   }
 
+  /// Default user agent for all requests
   static String defaultUserAgent = 'stream-chat-dart-client-'
       '${CurrentPlatform.name}-'
       '${PACKAGE_VERSION.split('+')[0]}';
 
+  /// Additionals headers for all requests
   static Map<String, Object?> additionalHeaders = {};
 
   ChatPersistenceClient? _originalChatPersistenceClient;

packages/stream_chat/lib/src/core/http/stream_http_client.dart

@@ -5,10 +5,10 @@ import 'package:logging/logging.dart';
 import 'package:meta/meta.dart';
 import 'package:stream_chat/src/core/error/error.dart';
 import 'package:stream_chat/src/core/http/connection_id_manager.dart';
+import 'package:stream_chat/src/core/http/interceptor/additional_headers_interceptor.dart';
 import 'package:stream_chat/src/core/http/interceptor/auth_interceptor.dart';
 import 'package:stream_chat/src/core/http/interceptor/connection_id_interceptor.dart';
 import 'package:stream_chat/src/core/http/interceptor/logging_interceptor.dart';
-import 'package:stream_chat/src/core/http/interceptor/additional_headers_interceptor.dart';
 import 'package:stream_chat/src/core/http/stream_chat_dio_error.dart';
 import 'package:stream_chat/src/core/http/token_manager.dart';
 import 'package:stream_chat/src/location.dart';

packages/stream_chat/test/src/core/http/interceptor/additional_headers_interceptor_test.dart

@@ -1,20 +1,14 @@
 import 'package:dio/dio.dart';
-import 'package:mocktail/mocktail.dart';
 import 'package:stream_chat/src/core/http/interceptor/additional_headers_interceptor.dart';
-import 'package:stream_chat/src/core/http/stream_chat_dio_error.dart';
-import 'package:stream_chat/src/core/http/stream_http_client.dart';
-import 'package:stream_chat/src/core/http/token.dart';
 import 'package:stream_chat/stream_chat.dart';
 import 'package:test/test.dart';
 
 import '../../../mocks.dart';
 
 void main() {
-  late StreamHttpClient client;
   late AdditionalHeadersInterceptor additionalHeadersInterceptor;
 
   setUp(() {
-    client = MockHttpClient();
     additionalHeadersInterceptor = AdditionalHeadersInterceptor();
   });
 

packages/stream_chat_flutter_core/lib/src/stream_chat_core.dart

@@ -4,7 +4,6 @@ import 'package:connectivity_plus/connectivity_plus.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:stream_chat/stream_chat.dart';
-import 'package:stream_chat/version.dart';
 import 'package:stream_chat_flutter_core/src/typedef.dart';
 
 /// Widget used to provide information about the chat to the widget tree.