# System.ComponentModel.Design

``` diff
 namespace System.ComponentModel.Design {
     public class DesignerVerbCollection : CollectionBase {
-        protected override void OnClear();

-        protected override void OnInsert(int index, object value);

-        protected override void OnRemove(int index, object value);

-        protected override void OnSet(int index, object oldValue, object newValue);

     }
 }
```

