Do not expose static render function of controls

src/ol/control/Control.js

@@ -79,9 +79,10 @@ class Control extends BaseObject {
     this.listenerKeys = [];
 
     /**
+     * @private
      * @type {function(import("../MapEvent.js").default): void}
      */
-    this.render = options.render ? options.render : VOID;
+    this.render_ = options.render ? options.render : VOID;
 
     if (options.target) {
       this.setTarget(options.target);
@@ -134,6 +135,16 @@ class Control extends BaseObject {
     }
   }
 
+  /**
+   * Update the projection. Rendering of the coordinates is done in
+   * `handleMouseMove` and `handleMouseUp`.
+   * @param {import("../MapEvent.js").default} mapEvent Map event.
+   * @api
+   */
+  render(mapEvent) {
+    this.render_.call(this, mapEvent);
+  }
+
   /**
    * This function is used to set a target element for the control. It has no
    * effect if it is called after the control has been added to the map (i.e.