fix types on extensions

@@ -206,40 +206,6 @@ class GetBar<T extends Object> extends StatefulWidget {
     return await Get.key.currentState.push(_snackRoute);
   }
 
-  /// Dismisses the snack causing is to return a future containing [result].
-  /// When this future finishes, it is guaranteed that Snack was dismissed.
-  Future<T> dismiss([T result]) async {
-    // If route was never initialized, do nothing
-    if (_snackRoute == null) {
-      return null;
-    }
-
-    if (_snackRoute.isCurrent) {
-      _snackRoute.navigator.pop(result);
-      return _snackRoute.completed;
-    } else if (_snackRoute.isActive) {
-      // removeRoute is called every time you dismiss a Snack that is not
-      // the top route.
-      // It will not animate back and listeners will not detect
-      // SnackbarStatus.CLOSING or SnackbarStatus.CLOSED
-      // To avoid this, always make sure that Snack is the top
-      // route when it is being dismissed
-      _snackRoute.navigator.removeRoute(_snackRoute);
-    }
-
-    return null;
-  }
-
-  /// Checks if the snack is visible
-  bool isShowing() {
-    return _snackRoute?.currentStatus == SnackbarStatus.OPEN;
-  }
-
-  /// Checks if the snack is dismissed
-  bool isDismissed() {
-    return _snackRoute?.currentStatus == SnackbarStatus.CLOSED;
-  }
-
   @override
   State createState() {
     return _GetBarState<T>();
@@ -273,8 +239,9 @@ class _GetBarState<K extends Object> extends State<GetBar>
         ((widget.userInputForm != null ||
             ((widget.message != null && widget.message.isNotEmpty) ||
                 widget.messageText != null))),
-        // ignore: lines_longer_than_80_chars
-        "A message is mandatory if you are not using userInputForm. Set either a message or messageText");
+        """
+A message is mandatory if you are not using userInputForm. 
+Set either a message or messageText""");
 
     _isTitlePresent = (widget.title != null || widget.titleText != null);
     _messageTopMargin = _isTitlePresent ? 6.0 : widget.padding.top;

 import 'dart:async';
 import 'dart:ui';
-
 import 'package:flutter/widgets.dart';
-
+import '../../get_navigation.dart';
 import 'snack.dart';
 
 class SnackRoute<T> extends OverlayRoute<T> {
@@ -65,7 +64,7 @@ class SnackRoute<T> extends OverlayRoute<T> {
         OverlayEntry(
           builder: (context) {
             return GestureDetector(
-              onTap: snack.isDismissible ? () => snack.dismiss() : null,
+              onTap: snack.isDismissible ? Get.back : null,
               child: AnimatedBuilder(
                 animation: _filterBlurAnimation,
                 builder: (context, child) {

-import 'dart:ui';
+import 'dart:async';
 
 /// Duration utilities.
 extension GetDurationUtils on Duration {
@@ -15,5 +15,5 @@ extension GetDurationUtils on Duration {
   ///   await 0.7.seconds.delay(() {
   /// }
   ///```
-  Future delay([VoidCallback callback]) async => Future.delayed(this, callback);
+  Future delay([FutureOr callback()]) async => Future.delayed(this, callback);
 }

@@ -66,13 +66,9 @@ extension LocalesIntl on GetInterface {
 
   Locale get fallbackLocale => _intlHost.fallbackLocale;
 
-  set locale(Locale newLocale) {
-    _intlHost.locale = newLocale;
-  }
+  set locale(Locale newLocale) => _intlHost.locale = newLocale;
 
-  set fallbackLocale(Locale newLocale) {
-    _intlHost.fallbackLocale = newLocale;
-  }
+  set fallbackLocale(Locale newLocale) => _intlHost.fallbackLocale = newLocale;
 
   Map<String, Map<String, String>> get translations => _intlHost.translations;
 

-import 'dart:ui';
-
+import 'dart:async';
 import '../get_utils/get_utils.dart';
 
 extension GetNumUtils on num {
@@ -24,7 +23,7 @@ extension GetNumUtils on num {
   ///   print('currently running callback 1.2sec');
   /// }
   ///```
-  Future delay([VoidCallback callback]) async => Future.delayed(
+  Future delay([FutureOr callback()]) async => Future.delayed(
         Duration(milliseconds: (this * 1000).round()),
         callback,
       );

@@ -12,6 +12,7 @@ dependencies:
     sdk: flutter
   get_core:
     path: ../get_core
+  meta: ">=1.1.0 <2.0.0"
 
 dev_dependencies:
   flutter_test: