flutter 3 warning fixed

lib/helpers/misc.dart

@@ -53,7 +53,7 @@ class Misc {
       "Lorem ipsum dolor sit amet, consectetur adipiscing elit, " +
           "sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.";
 
-  static const int maxInt = 9223372036854775807;
+  static BigInt maxInt = BigInt.parse("9223372036854775807");
 
   DateTime? _init;
   String? _prefix;
@@ -359,18 +359,18 @@ class Misc {
 
   ///DO THAT:
   ///```dart
-  /// WidgetsBinding.instance?.addPostFrameCallback((_) => callback());
+  /// WidgetsBinding.instance.addPostFrameCallback((_) => callback());
   /// ```
   static void onLayoutRendered(void Function() callback) {
-    WidgetsBinding.instance?.addPostFrameCallback((_) => callback());
+    WidgetsBinding.instance.addPostFrameCallback((_) => callback());
   }
 
   ///DO THAT:
   ///```dart
-  /// WidgetsBinding.instance?.endOfFrame.then((_) => callback());
+  /// WidgetsBinding.instance.endOfFrame.then((_) => callback());
   /// ```
   static void afterFirstLayout(void Function() callback) {
-    WidgetsBinding.instance?.endOfFrame.then((_) => callback());
+    WidgetsBinding.instance.endOfFrame.then((_) => callback());
   }
 
   ///DO THAT:

lib/helpers/widgets/keyboard.dart

@@ -23,7 +23,7 @@ class KeyboardVisibilityBuilder extends StatefulWidget {
 
 class _KeyboardVisibilityBuilderState extends State<KeyboardVisibilityBuilder>
     with WidgetsBindingObserver {
-  final WidgetsBinding _instance = WidgetsBinding.instance!;
+  final WidgetsBinding _instance = WidgetsBinding.instance;
   bool _isKeyboardVisible = false;
 
   @override

pubspec.lock

@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -42,14 +42,14 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -66,14 +66,21 @@ packages:
       name: lint
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.2"
+    version: "1.8.2"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
@@ -87,7 +94,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -99,7 +106,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
@@ -134,21 +141,14 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
+    version: "0.4.9"
   vector_math:
     dependency: "direct main"
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.14.0-360.0.dev <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"
   flutter: ">=1.17.0"

pubspec.yaml

@@ -1,6 +1,6 @@
 name: helpers
 description: Helpers is a tool that allows you to convert repetitive and tedious statements into easy-to-read and intuitive statements.
-version: 1.1.4
+version: 1.1.6
 homepage: https://github.com/seel-channel/helpers
 
 environment: