fix: analyzer warnings

-include: package:pedantic/analysis_options.yaml
-
-enable-experiment:
-  - extension-methods
\ No newline at end of file

@@ -149,27 +149,28 @@ class PhotoShareBottomSheet extends StatelessWidget {
                               margin: EdgeInsets.symmetric(horizontal: 4),
                               child: Column(
                                 children: <Widget>[
-                                  if(app.imageUrl != null)
-                                  Material(
-                                    child: ClipRRect(
-                                      child: Container(
-                                        height: 60,
-                                        width: 60,
-                                        decoration: BoxDecoration(
-                                            image: DecorationImage(
-                                                image: AssetImage(app.imageUrl!),
-                                                fit: BoxFit.cover),
-                                            color: Colors.white,
-                                            borderRadius:
-                                                BorderRadius.circular(15)),
+                                  if (app.imageUrl != null)
+                                    Material(
+                                      child: ClipRRect(
+                                        child: Container(
+                                          height: 60,
+                                          width: 60,
+                                          decoration: BoxDecoration(
+                                              image: DecorationImage(
+                                                  image:
+                                                      AssetImage(app.imageUrl!),
+                                                  fit: BoxFit.cover),
+                                              color: Colors.white,
+                                              borderRadius:
+                                                  BorderRadius.circular(15)),
+                                        ),
                                       ),
+                                      shape: RoundedRectangleBorder(
+                                          borderRadius:
+                                              BorderRadius.circular(15)),
+                                      elevation: 12,
+                                      shadowColor: Colors.black12,
                                     ),
-                                    shape: RoundedRectangleBorder(
-                                        borderRadius:
-                                            BorderRadius.circular(15)),
-                                    elevation: 12,
-                                    shadowColor: Colors.black12,
-                                  ),
                                   SizedBox(height: 8),
                                   Text(
                                     app.title,
@@ -185,62 +186,62 @@ class PhotoShareBottomSheet extends StatelessWidget {
                     ),
                   ),
                   SliverPadding(
-                    padding: EdgeInsets.symmetric(horizontal: 18, vertical: 6),
-                    sliver: SliverList(
-                          delegate: SliverChildListDelegate.fixed(
-                              List<Widget>.from(actions.map(
-                            (action) => Container(
-                                padding: EdgeInsets.symmetric(
-                                    vertical: 16, horizontal: 16),
-                                child: Text(
-                                  action.title,
-                                  style: CupertinoTheme.of(context)
-                                      .textTheme
-                                      .textStyle,
-                                )),
-                          )).addItemInBetween(Divider(
-                            height: 1,
-                          ))),
-                        )),
-             
+                      padding:
+                          EdgeInsets.symmetric(horizontal: 18, vertical: 6),
+                      sliver: SliverList(
+                        delegate: SliverChildListDelegate.fixed(
+                            List<Widget>.from(actions.map(
+                          (action) => Container(
+                              padding: EdgeInsets.symmetric(
+                                  vertical: 16, horizontal: 16),
+                              child: Text(
+                                action.title,
+                                style: CupertinoTheme.of(context)
+                                    .textTheme
+                                    .textStyle,
+                              )),
+                        )).addItemInBetween(Divider(
+                          height: 1,
+                        ))),
+                      )),
                   SliverPadding(
-                    padding: EdgeInsets.symmetric(horizontal: 18, vertical: 6),
-                    sliver:  SliverList(
-                          delegate: SliverChildListDelegate.fixed(
-                              List<Widget>.from(actions1.map(
-                            (action) => Container(
-                                padding: EdgeInsets.symmetric(
-                                    vertical: 16, horizontal: 16),
-                                child: Text(
-                                  action.title,
-                                  style: CupertinoTheme.of(context)
-                                      .textTheme
-                                      .textStyle,
-                                )),
-                          )).addItemInBetween(Divider(
-                            height: 1,
-                          ))),
-                        )
-                  ),
+                      padding:
+                          EdgeInsets.symmetric(horizontal: 18, vertical: 6),
+                      sliver: SliverList(
+                        delegate: SliverChildListDelegate.fixed(
+                            List<Widget>.from(actions1.map(
+                          (action) => Container(
+                              padding: EdgeInsets.symmetric(
+                                  vertical: 16, horizontal: 16),
+                              child: Text(
+                                action.title,
+                                style: CupertinoTheme.of(context)
+                                    .textTheme
+                                    .textStyle,
+                              )),
+                        )).addItemInBetween(Divider(
+                          height: 1,
+                        ))),
+                      )),
                   SliverPadding(
-                    padding: EdgeInsets.symmetric(horizontal: 18, vertical: 4),
-                    sliver:  SliverList(
-                          delegate: SliverChildListDelegate.fixed(
-                              List<Widget>.from(actions2.map(
-                            (action) => Container(
-                                padding: EdgeInsets.symmetric(
-                                    vertical: 16, horizontal: 16),
-                                child: Text(
-                                  action.title,
-                                  style: CupertinoTheme.of(context)
-                                      .textTheme
-                                      .textStyle,
-                                )),
-                          )).addItemInBetween(Divider(
-                            height: 1,
-                          ))),
-                        )
-                  ),
+                      padding:
+                          EdgeInsets.symmetric(horizontal: 18, vertical: 4),
+                      sliver: SliverList(
+                        delegate: SliverChildListDelegate.fixed(
+                            List<Widget>.from(actions2.map(
+                          (action) => Container(
+                              padding: EdgeInsets.symmetric(
+                                  vertical: 16, horizontal: 16),
+                              child: Text(
+                                action.title,
+                                style: CupertinoTheme.of(context)
+                                    .textTheme
+                                    .textStyle,
+                              )),
+                        )).addItemInBetween(Divider(
+                          height: 1,
+                        ))),
+                      )),
                   SliverSafeArea(
                     top: false,
                     sliver: SliverPadding(
@@ -268,19 +269,19 @@ class PhotoShareBottomSheet extends StatelessWidget {
               margin: EdgeInsets.symmetric(horizontal: 4),
               child: Column(
                 children: <Widget>[
-                  if(person.imageUrl != null)
-                  Material(
-                    child: CircleAvatar(
-                      backgroundImage: AssetImage(
-                        person.imageUrl!,
+                  if (person.imageUrl != null)
+                    Material(
+                      child: CircleAvatar(
+                        backgroundImage: AssetImage(
+                          person.imageUrl!,
+                        ),
+                        radius: 30,
+                        backgroundColor: Colors.white,
                       ),
-                      radius: 30,
-                      backgroundColor: Colors.white,
+                      shape: CircleBorder(),
+                      elevation: 12,
+                      shadowColor: Colors.black12,
                     ),
-                    shape: CircleBorder(),
-                    elevation: 12,
-                    shadowColor: Colors.black12,
-                  ),
                   SizedBox(height: 8),
                   Text(
                     person.title,

@@ -2,14 +2,14 @@ import 'dart:math';
 
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 import 'package:modal_bottom_sheet/modal_bottom_sheet.dart';
 
 class AvatarBottomSheet extends StatelessWidget {
   final Widget child;
   final Animation<double> animation;
 
-  const AvatarBottomSheet({Key? key, required  this.child, required this.animation})
+  const AvatarBottomSheet(
+      {Key? key, required this.child, required this.animation})
       : super(key: key);
 
   @override
@@ -83,12 +83,6 @@ Future<T?> showAvatarModalBottomSheet<T>({
   bool enableDrag = true,
   Duration? duration,
 }) async {
-  assert(context != null);
-  assert(builder != null);
-  assert(expand != null);
-  assert(useRootNavigator != null);
-  assert(isDismissible != null);
-  assert(enableDrag != null);
   assert(debugCheckHasMediaQuery(context));
   assert(debugCheckHasMaterialLocalizations(context));
   final result = await Navigator.of(context, rootNavigator: useRootNavigator)

 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:modal_bottom_sheet/modal_bottom_sheet.dart';
 
 class FloatingModal extends StatelessWidget {

-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 class ModalFit extends StatelessWidget {

@@ -2,8 +2,6 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 class SimpleModal extends StatelessWidget {
- 
-
   const SimpleModal({Key? key}) : super(key: key);
 
   @override

-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:modal_bottom_sheet/modal_bottom_sheet.dart';
 

 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 class WebFrame extends StatelessWidget {

@@ -3,12 +3,8 @@
 // found in the LICENSE file.
 
 import 'dart:async';
-import 'package:flutter/cupertino.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/scheduler.dart';
-import 'package:flutter/widgets.dart';
 import 'package:modal_bottom_sheet/src/utils/scroll_to_top_status_bar.dart';
 
 import 'package:modal_bottom_sheet/src/utils/bottom_sheet_suspended_curve.dart';
@@ -49,10 +45,7 @@ class ModalBottomSheet extends StatefulWidget {
     required this.expanded,
     required this.onClosing,
     required this.child,
-  })   : assert(enableDrag != null),
-        assert(onClosing != null),
-        assert(child != null),
-        super(key: key);
+  })  : super(key: key);
 
   /// The closeProgressThreshold parameter
   /// specifies when the bottom sheet will be dismissed when user drags it.
@@ -488,5 +481,4 @@ PointerDeviceKind defaultPointerDeviceKind(BuildContext context) {
     case TargetPlatform.fuchsia:
       return PointerDeviceKind.unknown;
   }
-  return PointerDeviceKind.unknown;
 }

 import 'dart:async';
 
-import 'package:flutter/cupertino.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:modal_bottom_sheet/src/utils/modal_scroll_controller.dart';
 
 import '../modal_bottom_sheet.dart';
 
@@ -19,9 +16,7 @@ class _ModalBottomSheet<T> extends StatefulWidget {
     this.expanded = false,
     this.enableDrag = true,
     this.animationCurve,
-  })  : assert(expanded != null),
-        assert(enableDrag != null),
-        super(key: key);
+  })  : super(key: key);
 
   final double? closeProgressThreshold;
   final ModalBottomSheetRoute<T> route;
@@ -143,10 +138,7 @@ class ModalBottomSheetRoute<T> extends PopupRoute<T> {
     this.animationCurve,
     this.duration,
     RouteSettings? settings,
-  })  : assert(expanded != null),
-        assert(isDismissible != null),
-        assert(enableDrag != null),
-        super(settings: settings);
+  })  : super(settings: settings);
 
   final double? closeProgressThreshold;
   final WidgetWithChildBuilder? containerBuilder;
@@ -247,13 +239,6 @@ Future<T?> showCustomModalBottomSheet<T>({
   Duration? duration,
   RouteSettings? settings,
 }) async {
-  assert(context != null);
-  assert(builder != null);
-  assert(containerWidget != null);
-  assert(expand != null);
-  assert(useRootNavigator != null);
-  assert(isDismissible != null);
-  assert(enableDrag != null);
   assert(debugCheckHasMediaQuery(context));
   assert(debugCheckHasMaterialLocalizations(context));
   final hasMaterialLocalizations =

@@ -90,12 +90,6 @@ Future<T?> showBarModalBottomSheet<T>({
   Duration? duration,
   RouteSettings? settings,
 }) async {
-  assert(context != null);
-  assert(builder != null);
-  assert(expand != null);
-  assert(useRootNavigator != null);
-  assert(isDismissible != null);
-  assert(enableDrag != null);
   assert(debugCheckHasMediaQuery(context));
   assert(debugCheckHasMaterialLocalizations(context));
   final result = await Navigator.of(context, rootNavigator: useRootNavigator)

@@ -5,8 +5,6 @@
 import 'dart:async';
 
 import 'package:flutter/cupertino.dart' show CupertinoTheme, CupertinoApp;
-import 'package:flutter/foundation.dart';
-import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart'
     show
         Colors,
@@ -17,12 +15,12 @@ import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 
 import '../../modal_bottom_sheet.dart';
-import '../bottom_sheet_route.dart';
 
 const double _kPreviousPageVisibleOffset = 10;
 
 const Radius _kDefaultTopRadius = Radius.circular(12);
-const BoxShadow _kDefaultBoxShadow = BoxShadow(blurRadius: 10, color: Colors.black12, spreadRadius: 5);
+const BoxShadow _kDefaultBoxShadow =
+    BoxShadow(blurRadius: 10, color: Colors.black12, spreadRadius: 5);
 
 /// Cupertino Bottom Sheet Container
 ///
@@ -43,14 +41,13 @@ class _CupertinoBottomSheetContainer extends StatelessWidget {
     this.shadow,
   }) : super(key: key);
 
-
   @override
   Widget build(BuildContext context) {
     final topSafeAreaPadding = MediaQuery.of(context).padding.top;
     final topPadding = _kPreviousPageVisibleOffset + topSafeAreaPadding;
 
     final _shadow = shadow ?? _kDefaultBoxShadow;
-        BoxShadow(blurRadius: 10, color: Colors.black12, spreadRadius: 5);
+    BoxShadow(blurRadius: 10, color: Colors.black12, spreadRadius: 5);
     final _backgroundColor =
         backgroundColor ?? CupertinoTheme.of(context).scaffoldBackgroundColor;
     return Padding(
@@ -95,11 +92,6 @@ Future<T?> showCupertinoModalBottomSheet<T>({
   Color? transitionBackgroundColor,
   BoxShadow? shadow,
 }) async {
-  assert(context != null);
-  assert(builder != null);
-  assert(expand != null);
-  assert(useRootNavigator != null);
-  assert(enableDrag != null);
   assert(debugCheckHasMediaQuery(context));
   final hasMaterialLocalizations =
       Localizations.of<MaterialLocalizations>(context, MaterialLocalizations) !=
@@ -144,7 +136,6 @@ class CupertinoModalBottomSheetRoute<T> extends ModalBottomSheetRoute<T> {
 
   final Curve? previousRouteAnimationCurve;
 
-
   final BoxShadow? boxShadow;
 
   // Background color behind all routes
@@ -173,10 +164,7 @@ class CupertinoModalBottomSheetRoute<T> extends ModalBottomSheetRoute<T> {
     this.transitionBackgroundColor,
     this.topRadius = _kDefaultTopRadius,
     this.previousRouteAnimationCurve,
-  })  : assert(expanded != null),
-        assert(isDismissible != null),
-        assert(enableDrag != null),
-        super(
+  }) : super(
           closeProgressThreshold: closeProgressThreshold,
           scrollController: scrollController,
           containerBuilder: containerBuilder,
@@ -201,8 +189,7 @@ class CupertinoModalBottomSheetRoute<T> extends ModalBottomSheetRoute<T> {
     Widget child,
   ) {
     final paddingTop = MediaQuery.of(context).padding.top;
-    final distanceWithScale =
-        (paddingTop + _kPreviousPageVisibleOffset) * 0.9;
+    final distanceWithScale = (paddingTop + _kPreviousPageVisibleOffset) * 0.9;
     final offsetY = secondaryAnimation.value * (paddingTop - distanceWithScale);
     final scale = 1 - secondaryAnimation.value / 10;
     return AnimatedBuilder(
@@ -237,7 +224,6 @@ class _CupertinoModalTransition extends StatelessWidget {
   final Radius topRadius;
   final Curve? animationCurve;
   final Color backgroundColor;
-  final BoxShadow? boxShadow;
 
   final Widget body;
 
@@ -248,7 +234,6 @@ class _CupertinoModalTransition extends StatelessWidget {
     required this.topRadius,
     this.backgroundColor = Colors.black,
     this.animationCurve,
-    this.boxShadow,
   }) : super(key: key);
 
   @override
@@ -355,11 +340,6 @@ class CupertinoScaffold extends StatefulWidget {
     RouteSettings? settings,
     BoxShadow? shadow,
   }) async {
-    assert(context != null);
-    assert(builder != null);
-    assert(expand != null);
-    assert(useRootNavigator != null);
-    assert(enableDrag != null);
     assert(debugCheckHasMediaQuery(context));
     final isCupertinoApp =
         context.findAncestorWidgetOfExactType<CupertinoApp>() != null;

@@ -22,12 +22,6 @@ Future<T?> showMaterialModalBottomSheet<T>({
   Duration? duration,
   RouteSettings? settings,
 }) async {
-  assert(context != null);
-  assert(builder != null);
-  assert(expand != null);
-  assert(useRootNavigator != null);
-  assert(isDismissible != null);
-  assert(enableDrag != null);
   assert(debugCheckHasMediaQuery(context));
   assert(debugCheckHasMaterialLocalizations(context));
   final result = await Navigator.of(context, rootNavigator: useRootNavigator)

 import 'package:flutter/cupertino.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
 import '../modal_bottom_sheet.dart';
@@ -15,10 +14,7 @@ class MaterialWithModalsPageRoute<T> extends MaterialPageRoute<T> {
     RouteSettings? settings,
     bool maintainState = true,
     bool fullscreenDialog = false,
-  })  : assert(builder != null),
-        assert(maintainState != null),
-        assert(fullscreenDialog != null),
-        super(
+  })  : super(
             settings: settings,
             fullscreenDialog: fullscreenDialog,
             builder: builder,

@@ -30,8 +30,7 @@ class BottomSheetSuspendedCurve extends Curve {
   const BottomSheetSuspendedCurve(
     this.startingPoint, {
     this.curve = Curves.easeOutCubic,
-  })  : assert(startingPoint != null),
-        assert(curve != null);
+  });
 
   /// The progress value at which [curve] should begin.
   ///

@@ -16,8 +16,7 @@ class ModalScrollController extends InheritedWidget {
     Key? key,
     required this.controller,
     required Widget child,
-  })  : assert(controller != null),
-        super(
+  }) : super(
           key: key,
           child: PrimaryScrollController(
             controller: controller,

@@ -50,7 +50,7 @@ class _ScrollToTopStatusBarState extends State<ScrollToTopStatusBarHandler> {
 
   void _handleStatusBarTap(BuildContext context) {
     final controller = widget.scrollController;
-    if (controller != null && controller.hasClients) {
+    if (controller.hasClients) {
       controller.animateTo(
         0.0,
         duration: const Duration(milliseconds: 300),