Use generics to limit event types in on(), once() and un()

src/ol/control/MousePosition.js

@@ -50,6 +50,7 @@ const COORDINATE_FORMAT = 'coordinateFormat';
  * On touch devices, which usually do not have a mouse cursor, the coordinates
  * of the currently touched position are shown.
  *
+ * @extends Control<'change:coordinaetFormat'|'change:projection'>
  * @api
  */
 class MousePosition extends Control {