Add typed signature for Observable#un()

src/ol/source/Image.js

@@ -65,11 +65,12 @@ export class ImageSourceEvent extends Event {
 }
 
 /***
- * @typedef {import("../Observable").OnSignature<import("../Observable").EventTypes, import("../events/Event.js").default> &
- *   import("../Observable").OnSignature<import("../ObjectEventType").Types, import("../Object").ObjectEvent> &
- *   import("../Observable").OnSignature<ImageSourceEventTypes, ImageSourceEvent> &
+ * @template Return
+ * @typedef {import("../Observable").OnSignature<import("../Observable").EventTypes, import("../events/Event.js").default, Return> &
+ *   import("../Observable").OnSignature<import("../ObjectEventType").Types, import("../Object").ObjectEvent, Return> &
+ *   import("../Observable").OnSignature<ImageSourceEventTypes, ImageSourceEvent, Return> &
  *   import("../Observable").CombinedOnSignature<import("../Observable").EventTypes|import("../ObjectEventType").Types
- *     |ImageSourceEventTypes>} ImageSourceOnSignature
+ *     |ImageSourceEventTypes, Return>} ImageSourceOnSignature
  */
 
 /**
@@ -102,15 +103,20 @@ class ImageSource extends Source {
     });
 
     /***
-     * @type {ImageSourceOnSignature}
+     * @type {ImageSourceOnSignature<import("../Observable.js").OnReturn>}
      */
     this.on;
 
     /***
-     * @type {ImageSourceOnSignature}
+     * @type {ImageSourceOnSignature<import("../Observable.js").OnReturn>}
      */
     this.once;
 
+    /***
+     * @type {ImageSourceOnSignature<void>}
+     */
+    this.un;
+
     /**
      * @private
      * @type {Array<number>}

src/ol/source/Tile.js

@@ -16,11 +16,12 @@ import {
 import {scale as scaleSize, toSize} from '../size.js';
 
 /***
- * @typedef {import("../Observable").OnSignature<import("../Observable").EventTypes, import("../events/Event.js").default> &
- *   import("../Observable").OnSignature<import("../ObjectEventType").Types, import("../Object").ObjectEvent> &
- *   import("../Observable").OnSignature<import("./TileEventType").TileSourceEventTypes, TileSourceEvent> &
+ * @template Return
+ * @typedef {import("../Observable").OnSignature<import("../Observable").EventTypes, import("../events/Event.js").default, Return> &
+ *   import("../Observable").OnSignature<import("../ObjectEventType").Types, import("../Object").ObjectEvent, Return> &
+ *   import("../Observable").OnSignature<import("./TileEventType").TileSourceEventTypes, TileSourceEvent, Return> &
  *   import("../Observable").CombinedOnSignature<import("../Observable").EventTypes|import("../ObjectEventType").Types|
- *     import("./TileEventType").TileSourceEventTypes>} TileSourceOnSignature
+ *     import("./TileEventType").TileSourceEventTypes, Return>} TileSourceOnSignature
  */
 
 /**
@@ -61,15 +62,20 @@ class TileSource extends Source {
     });
 
     /***
-     * @type {TileSourceOnSignature}
+     * @type {TileSourceOnSignature<import("../Observable.js").OnReturn>}
      */
     this.on;
 
     /***
-     * @type {TileSourceOnSignature}
+     * @type {TileSourceOnSignature<import("../Observable.js").OnReturn>}
      */
     this.once;
 
+    /***
+     * @type {TileSourceOnSignature<void>}
+     */
+    this.un;
+
     /**
      * @private
      * @type {boolean}

src/ol/source/Vector.js

@@ -62,11 +62,12 @@ export class VectorSourceEvent extends Event {
 }
 
 /***
- * @typedef {import("../Observable").OnSignature<import("../Observable").EventTypes, import("../events/Event.js").default> &
- *   import("../Observable").OnSignature<import("../ObjectEventType").Types, import("../Object").ObjectEvent> &
- *   import("../Observable").OnSignature<import("./VectorEventType").VectorSourceEventTypes, VectorSourceEvent> &
+ * @template Return
+ * @typedef {import("../Observable").OnSignature<import("../Observable").EventTypes, import("../events/Event.js").default, Return> &
+ *   import("../Observable").OnSignature<import("../ObjectEventType").Types, import("../Object").ObjectEvent, Return> &
+ *   import("../Observable").OnSignature<import("./VectorEventType").VectorSourceEventTypes, VectorSourceEvent, Return> &
  *   import("../Observable").CombinedOnSignature<import("../Observable").EventTypes|import("../ObjectEventType").Types|
- *     import("./VectorEventType").VectorSourceEventTypes>} VectorSourceOnSignature
+ *     import("./VectorEventType").VectorSourceEventTypes, Return>} VectorSourceOnSignature
  */
 
 /**
@@ -186,15 +187,20 @@ class VectorSource extends Source {
     });
 
     /***
-     * @type {VectorSourceOnSignature}
+     * @type {VectorSourceOnSignature<import("../Observable.js").OnReturn>}
      */
     this.on;
 
     /***
-     * @type {VectorSourceOnSignature}
+     * @type {VectorSourceOnSignature<import("../Observable.js").OnReturn>}
      */
     this.once;
 
+    /***
+     * @type {VectorSourceOnSignature<void>}
+     */
+    this.un;
+
     /**
      * @private
      * @type {import("../featureloader.js").FeatureLoader}