Update function return types

src/ol/interaction/DragBox.js

@@ -25,7 +25,7 @@ import {mouseActionButton} from '../events/condition.js';
  * @property {EndCondition} [boxEndCondition] A function that takes a {@link module:ol/MapBrowserEvent~MapBrowserEvent} and two
  * {@link module:ol/pixel~Pixel}s to indicate whether a `boxend` event should be fired.
  * Default is `true` if the area of the box is bigger than the `minArea` option.
- * @property {function(this:DragBox, import("../MapBrowserEvent.js").default)} [onBoxEnd] Code to execute just
+ * @property {function(this:DragBox, import("../MapBrowserEvent.js").default):void} [onBoxEnd] Code to execute just
  * before `boxend` is fired.
  */
 

src/ol/interaction/Pointer.js

@@ -10,7 +10,7 @@ import {getValues} from '../obj.js';
  * @property {function(import("../MapBrowserEvent.js").default):boolean} [handleDownEvent]
  * Function handling "down" events. If the function returns `true` then a drag
  * sequence is started.
- * @property {function(import("../MapBrowserEvent.js").default)} [handleDragEvent]
+ * @property {function(import("../MapBrowserEvent.js").default):void} [handleDragEvent]
  * Function handling "drag" events. This function is called on "move" events
  * during a drag sequence.
  * @property {function(import("../MapBrowserEvent.js").default):boolean} [handleEvent]
@@ -18,7 +18,7 @@ import {getValues} from '../obj.js';
  * dispatched to the map. The function may return `false` to prevent the
  * propagation of the event to other interactions in the map's interactions
  * chain.
- * @property {function(import("../MapBrowserEvent.js").default)} [handleMoveEvent]
+ * @property {function(import("../MapBrowserEvent.js").default):void} [handleMoveEvent]
  * Function handling "move" events. This function is called on "move" events.
  * This functions is also called during a drag sequence, so during a drag
  * sequence both the `handleDragEvent` function and this function are called.