fix pub analysis error

Author: hackware1993

CHANGELOG.md

@@ -1,3 +1,7 @@
+# v1.6.1-stable
+
+fix pub analysis error.
+
 # v1.6.0-stable
 
 add open grammar support.

README.md

@@ -318,12 +318,12 @@ dependencies:
   flutter_constraintlayout:
     git:
       url: 'https://github.com/hackware1993/Flutter-ConstraintLayout.git'
-      ref: 'v1.6.0-stable'
+      ref: 'v1.6.1-stable'
 ```
 
 ```yaml
 dependencies:
-  flutter_constraintlayout: ^1.6.0-stable
+  flutter_constraintlayout: ^1.6.1-stable
 ```
 
 ```dart

README_CN.md

@@ -283,12 +283,12 @@ dependencies:
   flutter_constraintlayout:
     git:
       url: 'https://github.com/hackware1993/Flutter-ConstraintLayout.git'
-      ref: 'v1.6.0-stable'
+      ref: 'v1.6.1-stable'
 ```
 
 ```yaml
 dependencies:
-  flutter_constraintlayout: ^1.6.0-stable
+  flutter_constraintlayout: ^1.6.1-stable
 ```
 
 ```dart

lib/src/extensions.dart

@@ -48,18 +48,21 @@ class OffBuildWidget extends StatelessWidget {
   int get hashCode => id.hashCode;
 }
 
+/// Provide open grammar
 class MultiChildWidgetContext {
   static MultiChildWidgetContext? currentContext;
   List<Widget> contextChildren = [];
 }
 
+/// Provide open grammar
 extension MultiChildWidgetChildExt on Widget {
   Widget enter() {
     MultiChildWidgetContext.currentContext?.contextChildren.add(this);
     return this;
   }
 }
 
+/// Provide open grammar
 extension ConstraintLayoutExt on MultiChildRenderObjectWidget {
   Widget open(void Function() block) {
     MultiChildWidgetContext? temp = MultiChildWidgetContext.currentContext;
@@ -98,7 +101,6 @@ extension ConstraintLayoutExt on MultiChildRenderObjectWidget {
           alignment: stack.alignment,
           textDirection: stack.textDirection,
           fit: stack.fit,
-          overflow: stack.overflow,
           clipBehavior: stack.clipBehavior,
           children: context.contextChildren);
     }

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_constraintlayout
 description: A super powerful Stack, build flexible layouts with constraints. Similar to ConstraintLayout for Android and AutoLayout for iOS.
-version: 1.6.0-stable
+version: 1.6.1-stable
 anthor: hackware
 homepage: https://github.com/hackware1993/Flutter-ConstraintLayout