Fixed some jsdoc issues.

src/ol/layer/Group.js

@@ -32,10 +32,6 @@ import {listen, unlistenByKey} from '../events.js';
  * visible.
  * @property {number} [maxZoom] The maximum view zoom level (inclusive) at which this layer will
  * be visible.
- * @property {number} [minZoom] The minimum view zoom level (exclusive) above which this layer will be
- * visible.
- * @property {number} [maxZoom] The maximum view zoom level (inclusive) at which this layer will
- * be visible.
  * @property {Array<import("./Base.js").default>|import("../Collection.js").default<import("./Base.js").default>} [layers] Child layers.
  */
 

src/ol/style/Image.js

@@ -163,6 +163,7 @@ class ImageStyle {
   /**
    * Get the image pixel ratio.
    * @param {number} pixelRatio Pixel ratio.
+   * @return {number} Pixel ratio.
    */
   getPixelRatio(pixelRatio) {
     return 1;

src/ol/style/RegularShape.js

@@ -243,6 +243,7 @@ class RegularShape extends ImageStyle {
   /**
    * Get the image pixel ratio.
    * @param {number} pixelRatio Pixel ratio.
+   * @return {number} Pixel ratio.
    */
   getPixelRatio(pixelRatio) {
     return pixelRatio;