fix something

com.unity.uiwidgets/Runtime/rendering/RenderAnimatedOpacityMixin.mixin.gen.cs

         }
 
        
-        public  void visitChildrenForSemantics(RenderObjectVisitor visitor) {
+        public void visitChildrenForSemantics(RenderObjectVisitor visitor) {
             if (child != null && (_alpha != 0 || alwaysIncludeSemantics))
                 visitor(child);
         }

com.unity.uiwidgets/Runtime/rendering/RenderAnimatedOpacityMixin.mixin.njk

             }
         }
         
-        public  void visitChildrenForSemantics(RenderObjectVisitor visitor) {
+        public void visitChildrenForSemantics(RenderObjectVisitor visitor) {
             if (child != null && (_alpha != 0 || alwaysIncludeSemantics))
                 visitor(child);
         }
             properties.add(new FlagProperty("alwaysIncludeSemantics", value: alwaysIncludeSemantics, ifTrue: "alwaysIncludeSemantics"));
         }
 
-        
-    }
+     }
 {% endmacro %}
 
 {{ RenderAnimatedOpacityMixin('RenderSliver') }}

com.unity.uiwidgets/Runtime/rendering/proxy_sliver.cs

             bool alwaysIncludeSemantics = false
         )  {
             D.assert(opacity != null);
-            D.assert(alwaysIncludeSemantics != null);
             this.opacity = opacity;
             this.alwaysIncludeSemantics = alwaysIncludeSemantics;
             child = sliver;

com.unity.uiwidgets/Runtime/rendering/sliver.cs

         public float? layoutOffset;
 
         public override string ToString() {
-            if (layoutOffset == null)
-                return "layoutOffset = None";
-            else {
-                return $"layoutOffset = {layoutOffset:F}";
-               // 1.000
-            }
+           return layoutOffset == null ? "layoutOffset = None" : $"layoutOffset = {layoutOffset:F1}";
         }
     }
 

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

         }
 
         public virtual void debugFillProperties(DiagnosticPropertiesBuilder properties) { }
-
-
-        
     }
 {% endmacro %}
 {{ DiagnosticableTreeMixin('ChangeNotifier') }}