fix

com.unity.uiwidgets/Runtime/ui/geometry.cs

     }
 
     public class Rect : IEquatable<Rect> {
-        public Rect(float left, float top, float right, float bottom) {
+        Rect(float left, float top, float right, float bottom) {
             this.left = left;
             this.top = top;
             this.right = right;

com.unity.uiwidgets/Runtime/ui2/native_bindings.cs

 
     public abstract class NativeWrapper {
         protected internal IntPtr _ptr { get; protected set; }
-        
-        public IntPtr ptr {
-            get { return _ptr; }
-        }
 
         protected NativeWrapper() {
         }