Use this class to highlight elements in the editor for use in in-editor tutorials and similar.
| active | Is there currently an active highlight? |
| activeRect | The rect in screenspace of the current active highlight. |
| activeText | The text of the current active highlight. |
| activeVisible | Is the current active highlight visible yet? |
| Highlight | Highlights an element in the editor. |
| HighlightIdentifier | Call this method to create an identifiable rect that the Highlighter can find. |
| Stop | Stops the active highlight. |