From 9b1f8fa1d1e2b9a1ba545b221832461177dbda20 Mon Sep 17 00:00:00 2001
From: Andreas Hocevar <andreas.hocevar@gmail.com>
Date: Fri, 17 Apr 2020 11:28:33 +0200
Subject: [PATCH] Losen listener type

---
 src/ol/Observable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ol/Observable.js b/src/ol/Observable.js
index f1cdd7b951..49c82e257e 100644
--- a/src/ol/Observable.js
+++ b/src/ol/Observable.js
@@ -49,7 +49,7 @@ class Observable extends EventTarget {
   /**
    * Listen for a certain type of event.
    * @param {string|Array<string>} type The event type or array of event types.
-   * @param {import("./events.js").ListenerFunction} listener The listener function.
+   * @param {function(?): ?} listener The listener function.
    * @return {import("./events.js").EventsKey|Array<import("./events.js").EventsKey>} Unique key for the listener. If
    *     called with an array of event types as the first argument, the return
    *     will be an array of keys.