| Name | Description |
|---|---|
| AttributeModifiedEventArgs | Fired when `Element`'s attribute is modified. |
| ChildNodeCountUpdatedEventArgs | Fired when `Container`'s child node count has changed. |
| ChildNodeRemovedEventArgs | Mirrors `DOMNodeRemoved` event. |
| PseudoElementAddedEventArgs | Called when a pseudo element is added to an element. |
| PseudoElementRemovedEventArgs | Called when a pseudo element is removed from an element. |
| Rect | Rectangle. |