update sliver_persistent_header mixin

com.unity.uiwidgets/Runtime/widgets/sliver_persistent_header.cs

     abstract class _RenderSliverScrollingPersistentHeader : RenderSliverScrollingPersistentHeader {
     }
 
-    class _RenderSliverScrollingPersistentHeaderForWidgets : RenderSliverScrollingPersistentHeader, _RenderSliverPersistentHeaderForWidgetsMixin {
-
+    class _RenderSliverScrollingPersistentHeaderForWidgets : _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeaderRenderSliverScrollingPersistentHeader {
+        
         public _RenderSliverScrollingPersistentHeaderForWidgets(
             RenderBox child = null,
             OverScrollHeaderStretchConfiguration stretchConfiguration = null

com.unity.uiwidgets/Runtime/widgets/sliver_persistent_header.mixin.gen.cs

         }
     }
 
+
+
+
+
     public abstract class _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeaderRenderSliverFloatingPinnedPersistentHeader : RenderSliverFloatingPinnedPersistentHeader, _RenderSliverPersistentHeaderForWidgetsMixin {
          
         public _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeaderRenderSliverFloatingPinnedPersistentHeader(
             snapConfiguration: snapConfiguration,
             stretchConfiguration: stretchConfiguration) {
         }
+
          public _SliverPersistentHeaderElement _element { get; set; }
          
          float? minExtent {
         }
     }
 
+
+
-        
         public _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeaderRenderSliverPinnedPersistentHeader(
             RenderBox child = null,
             OverScrollHeaderStretchConfiguration stretchConfiguration = null
+
          public _SliverPersistentHeaderElement _element { get; set; }
          
          float? minExtent {
         }
     }
 
+
+
+        public _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeaderRenderSliverScrollingPersistentHeader(
+            RenderBox child = null,
+            OverScrollHeaderStretchConfiguration stretchConfiguration = null
+        ) : base(child: child,
+            stretchConfiguration: stretchConfiguration) {
+        }
+
          public _SliverPersistentHeaderElement _element { get; set; }
          
          float? minExtent {

com.unity.uiwidgets/Runtime/widgets/sliver_persistent_header.mixin.njk

 {% macro _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeader(with) %}
     public abstract class _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeader{{with}} : {{with}}, _RenderSliverPersistentHeaderForWidgetsMixin {
          
+        public _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeaderRenderSliverFloatingPersistentHeader(
+            RenderBox child = null,
+            FloatingHeaderSnapConfiguration snapConfiguration = null,
+            OverScrollHeaderStretchConfiguration stretchConfiguration = null
+        ) : base(
+            child: child,
+            stretchConfiguration: stretchConfiguration) {
+            _snapConfiguration = snapConfiguration;
+        }
+
          public _SliverPersistentHeaderElement _element { get; set; }
          
          float? minExtent {
 {% endmacro %}
 
 {{ _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeader('RenderSliverFloatingPersistentHeader') }}
+
+{% macro _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeader(with) %}
+    public abstract class _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeader{{with}} : {{with}}, _RenderSliverPersistentHeaderForWidgetsMixin {
+         
+        public _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeaderRenderSliverFloatingPinnedPersistentHeader(
+            RenderBox child = null,
+            FloatingHeaderSnapConfiguration snapConfiguration = null,
+            OverScrollHeaderStretchConfiguration stretchConfiguration = null
+        ) : base(child: child,
+            snapConfiguration: snapConfiguration,
+            stretchConfiguration: stretchConfiguration) {
+        }
+
+         public _SliverPersistentHeaderElement _element { get; set; }
+         
+         float? minExtent {
+             get {
+                 return _element.widget.layoutDelegate.minExtent;
+             }
+         }
+ 
+         float? maxExtent {
+             get {
+                 return _element.widget.layoutDelegate.minExtent;
+             }
+         }
+ 
+         void updateChild(float shrinkOffset, bool overlapsContent) {
+             D.assert(_element != null);
+             _element._build(shrinkOffset, overlapsContent);
+         }
+ 
+        void _RenderSliverPersistentHeaderForWidgetsMixin.triggerRebuild() {
+            triggerRebuild();
+        }
+
+        void _RenderSliverPersistentHeaderForWidgetsMixin.updateChild(float shrinkOffset, bool overlapsContent) {
+            updateChild(shrinkOffset, overlapsContent);
+        }
+        
+        void triggerRebuild() {
+            markNeedsLayout();
+        }
+        
+        protected override void performLayout() {
+        }
+    }
+{% endmacro %}
+
+
+
+
+{% macro _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeader(with) %}
+    public abstract class _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeader{{with}} : {{with}}, _RenderSliverPersistentHeaderForWidgetsMixin {
+         
+        public _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeaderRenderSliverPinnedPersistentHeader(
+            RenderBox child = null,
+            OverScrollHeaderStretchConfiguration stretchConfiguration = null
+        ) : base(child: child,
+            stretchConfiguration: stretchConfiguration) {
+        }
+
+         public _SliverPersistentHeaderElement _element { get; set; }
+         
+         float? minExtent {
+             get {
+                 return _element.widget.layoutDelegate.minExtent;
+             }
+         }
+ 
+         float? maxExtent {
+             get {
+                 return _element.widget.layoutDelegate.minExtent;
+             }
+         }
+ 
+         void updateChild(float shrinkOffset, bool overlapsContent) {
+             D.assert(_element != null);
+             _element._build(shrinkOffset, overlapsContent);
+         }
+ 
+        void _RenderSliverPersistentHeaderForWidgetsMixin.triggerRebuild() {
+            triggerRebuild();
+        }
+
+        void _RenderSliverPersistentHeaderForWidgetsMixin.updateChild(float shrinkOffset, bool overlapsContent) {
+            updateChild(shrinkOffset, overlapsContent);
+        }
+        
+        void triggerRebuild() {
+            markNeedsLayout();
+        }
+        
+        protected override void performLayout() {
+        }
+    }
+{% endmacro %}
+
+
+{% macro _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeader(with) %}
+    public abstract class _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeader{{with}} : {{with}}, _RenderSliverPersistentHeaderForWidgetsMixin {
+         
+        public _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeaderRenderSliverScrollingPersistentHeader(
+            RenderBox child = null,
+            OverScrollHeaderStretchConfiguration stretchConfiguration = null
+        ) : base(child: child,
+            stretchConfiguration: stretchConfiguration) {
+        }
+
+         public _SliverPersistentHeaderElement _element { get; set; }
+         
+         float? minExtent {
+             get {
+                 return _element.widget.layoutDelegate.minExtent;
+             }
+         }
+ 
+         float? maxExtent {
+             get {
+                 return _element.widget.layoutDelegate.minExtent;
+             }
+         }
+ 
+         void updateChild(float shrinkOffset, bool overlapsContent) {
+             D.assert(_element != null);
+             _element._build(shrinkOffset, overlapsContent);
+         }
+ 
+        void _RenderSliverPersistentHeaderForWidgetsMixin.triggerRebuild() {
+            triggerRebuild();
+        }
+
+        void _RenderSliverPersistentHeaderForWidgetsMixin.updateChild(float shrinkOffset, bool overlapsContent) {
+            updateChild(shrinkOffset, overlapsContent);
+        }
+        
+        void triggerRebuild() {
+            markNeedsLayout();
+        }
+        
+        protected override void performLayout() {
+        }
+    }
+{% endmacro %}
+
 {{ _RenderSliverPersistentHeaderForWidgetsMixinOnRenderSliverPersistentHeader('RenderSliverScrollingPersistentHeader') }}
 
 }