From b8addb4c24c9581ca5d0386fa174d97d398a1e26 Mon Sep 17 00:00:00 2001
From: William Wall <wwall@caci.com>
Date: Wed, 3 Oct 2018 16:08:26 -0600
Subject: [PATCH] Fix missing method declaration

ol/renderer/vector was using the abstract ReplayGroup type while
referencing replayGroup.addDeclutter(), which was only defined
on the canvas and webgl implementations and was also defined
differently.
---
 src/ol/render/ReplayGroup.js        | 7 +++++++
 src/ol/render/canvas/ReplayGroup.js | 3 +--
 src/ol/render/webgl/ReplayGroup.js  | 7 ++++---
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/ol/render/ReplayGroup.js b/src/ol/render/ReplayGroup.js
index 0775234e17..e6f85cf0c4 100644
--- a/src/ol/render/ReplayGroup.js
+++ b/src/ol/render/ReplayGroup.js
@@ -18,6 +18,13 @@ class ReplayGroup {
    * @return {boolean} Is empty.
    */
   isEmpty() {}
+
+  /**
+   * @abstract
+   * @param {boolean} group Group with previous replay
+   * @return {Array<*>} The resulting instruction group
+   */
+  addDeclutter(group) {}
 }
 
 export default ReplayGroup;
diff --git a/src/ol/render/canvas/ReplayGroup.js b/src/ol/render/canvas/ReplayGroup.js
index fcaf49cce3..ed1dda0060 100644
--- a/src/ol/render/canvas/ReplayGroup.js
+++ b/src/ol/render/canvas/ReplayGroup.js
@@ -120,8 +120,7 @@ class CanvasReplayGroup extends ReplayGroup {
   }
 
   /**
-   * @param {boolean} group Group with previous replay.
-   * @return {import("../canvas.js").DeclutterGroup} Declutter instruction group.
+   * @inheritDoc
    */
   addDeclutter(group) {
     let declutter = null;
diff --git a/src/ol/render/webgl/ReplayGroup.js b/src/ol/render/webgl/ReplayGroup.js
index 6e3959dd89..07528d59f9 100644
--- a/src/ol/render/webgl/ReplayGroup.js
+++ b/src/ol/render/webgl/ReplayGroup.js
@@ -67,10 +67,11 @@ class WebGLReplayGroup extends ReplayGroup {
   }
 
   /**
-   * @param {import("../../style/Style.js").default} style Style.
-   * @param {boolean} group Group with previous replay.
+   * @inheritDoc
    */
-  addDeclutter(style, group) {}
+  addDeclutter(group) {
+    return [];
+  }
 
   /**
    * @param {import("../../webgl/Context.js").default} context WebGL context.