Set api annotation on classdesc, not constructor

src/ol/renderer/webgl/ImageLayer.js

@@ -21,12 +21,16 @@ import {
 import {CLAMP_TO_EDGE} from '../../webgl.js';
 import {createTexture} from '../../webgl/Context.js';
 
+/**
+ * @classdesc
+ * WebGL renderer for image layers.
+ * @api
+ */
 class WebGLImageLayerRenderer extends WebGLLayerRenderer {
 
   /**
    * @param {module:ol/renderer/webgl/Map} mapRenderer Map renderer.
    * @param {module:ol/layer/Image} imageLayer Tile layer.
-   * @api
    */
   constructor(mapRenderer, imageLayer) {
 

src/ol/renderer/webgl/Map.js

@@ -37,11 +37,15 @@ import ContextEventType from '../../webgl/ContextEventType.js';
 const WEBGL_TEXTURE_CACHE_HIGH_WATER_MARK = 1024;
 
 
+/**
+ * @classdesc
+ * WebGL map renderer.
+ * @api
+ */
 class WebGLMapRenderer extends MapRenderer {
 
   /**
    * @param {module:ol/PluggableMap} map Map.
-   * @api
    */
   constructor(map) {
     super(map);

src/ol/renderer/webgl/TileLayer.js

@@ -24,12 +24,16 @@ import {
 import {COLOR_BUFFER_BIT, BLEND, ARRAY_BUFFER, FLOAT, LINEAR, TRIANGLE_STRIP} from '../../webgl.js';
 import WebGLBuffer from '../../webgl/Buffer.js';
 
+/**
+ * @classdesc
+ * WebGL renderer for tile layers.
+ * @api
+ */
 class WebGLTileLayerRenderer extends WebGLLayerRenderer {
 
   /**
    * @param {module:ol/renderer/webgl/Map} mapRenderer Map renderer.
    * @param {module:ol/layer/Tile} tileLayer Tile layer.
-   * @api
    */
   constructor(mapRenderer, tileLayer) {
 

src/ol/renderer/webgl/VectorLayer.js

@@ -10,12 +10,17 @@ import {defaultOrder as defaultRenderOrder, getTolerance as getRenderTolerance,
 import WebGLLayerRenderer from '../webgl/Layer.js';
 import {apply as applyTransform} from '../../transform.js';
 
+
+/**
+ * @classdesc
+ * WebGL renderer for vector layers.
+ * @api
+ */
 class WebGLVectorLayerRenderer extends WebGLLayerRenderer {
 
   /**
    * @param {module:ol/renderer/webgl/Map} mapRenderer Map renderer.
    * @param {module:ol/layer/Vector} vectorLayer Vector layer.
-   * @api
    */
   constructor(mapRenderer, vectorLayer) {