Add the renderer type to generic layer template variables

src/ol/layer/Layer.js

@@ -94,6 +94,7 @@ import {listen, unlistenByKey} from '../events.js';
  * @fires import("../render/Event.js").RenderEvent#postrender
  *
  * @template {import("../source/Source.js").default} SourceType
+ * @template {import("../renderer/Layer.js").default} RendererType
  * @api
  */
 class Layer extends BaseLayer {
@@ -141,7 +142,7 @@ class Layer extends BaseLayer {
 
     /**
      * @private
-     * @type {import("../renderer/Layer.js").default}
+     * @type {RendererType}
      */
     this.renderer_ = null;
 
@@ -335,7 +336,7 @@ class Layer extends BaseLayer {
 
   /**
    * Get the renderer for this layer.
-   * @return {import("../renderer/Layer.js").default} The layer renderer.
+   * @return {RendererType} The layer renderer.
    */
   getRenderer() {
     if (!this.renderer_) {
@@ -353,7 +354,7 @@ class Layer extends BaseLayer {
 
   /**
    * Create a renderer for this layer.
-   * @return {import("../renderer/Layer.js").default} A layer renderer.
+   * @return {RendererType} A layer renderer.
    * @protected
    */
   createRenderer() {