### Import :
```js
const KeyboardOverlayMode = brackets.getModule("command/KeyboardOverlayMode")
```
## EditorManager
This handles the overlay mode
**Kind**: global constant
## startOverlayMode()
Responsible to start the overlay mode
**Kind**: global function
## exitOverlayMode()
Responsible to exit the overlay mode.
restores focus to previously active pane
**Kind**: global function
## processOverlayKeyboardEvent(event)
Handles the keyboard navigation in overlay mode
Process the arrow keys to move between panes, Enter to select a pane, and Escape to exit overlay mode
**Kind**: global function
| Param | Type |
| --- | --- |
| event | KeyboardEvent |
## isInOverlayMode() ⇒ boolean
to check whether in overlay mode or not
**Kind**: global function
**Returns**: boolean - returns true if in overlay mode otherwise false