⚡️ Final classes

Author: AlexV525

example/lib/models/picker_method.dart

@@ -182,7 +182,7 @@ List<PickMethod> pickMethods(BuildContext context) {
 }
 
 /// Define a regular pick method.
-class PickMethod {
+final class PickMethod {
   const PickMethod({
     required this.icon,
     required this.name,

lib/src/constants/config.dart

@@ -13,7 +13,7 @@ import 'type_defs.dart';
 /// Configurations for the [CameraPicker].
 /// [CameraPicker] 的配置项
 /// {@endtemplate}
-class CameraPickerConfig {
+final class CameraPickerConfig {
   const CameraPickerConfig({
     this.enableRecording = false,
     this.onlyEnableRecording = false,

lib/src/constants/constants.dart

@@ -6,7 +6,7 @@ import '../delegates/camera_picker_text_delegate.dart';
 
 export 'package:photo_manager/photo_manager.dart';
 
-class Constants {
+final class Constants {
   const Constants._();
 
   static CameraPickerTextDelegate textDelegate =

lib/src/widgets/builder/tween_animation_builder_2.dart

@@ -4,7 +4,7 @@
 
 import 'package:flutter/material.dart';
 
-class TweenAnimationBuilder2<A, B> extends StatelessWidget {
+final class TweenAnimationBuilder2<A, B> extends StatelessWidget {
   const TweenAnimationBuilder2({
     super.key,
     required this.firstTween,

lib/src/widgets/camera_focus_point.dart

@@ -6,7 +6,7 @@ import 'package:flutter/material.dart';
 
 import 'builder/tween_animation_builder_2.dart';
 
-class CameraFocusPoint extends StatelessWidget {
+final class CameraFocusPoint extends StatelessWidget {
   const CameraFocusPoint({
     super.key,
     required this.size,
@@ -41,7 +41,7 @@ class CameraFocusPoint extends StatelessWidget {
 
 /// A [CustomPaint] that draws the exposure point with four arcs and one circle.
 /// 包含了四条弧及一个圆的曝光点绘制。
-class CameraFocusPointPainter extends CustomPainter {
+final class CameraFocusPointPainter extends CustomPainter {
   const CameraFocusPointPainter({
     required this.size,
     required this.color,

lib/src/widgets/camera_progress_button.dart

@@ -7,7 +7,7 @@ import 'package:flutter/material.dart';
 import '../constants/styles.dart';
 import '../internals/methods.dart';
 
-class CameraProgressButton extends StatefulWidget {
+final class CameraProgressButton extends StatefulWidget {
   const CameraProgressButton({
     super.key,
     required this.isAnimating,