Remove underscore from protected function, fix indentation, remove typecast

src/ol/style/Circle.js

@@ -53,11 +53,11 @@ class CircleStyle extends RegularShape {
   }
 
   /**
-  * Set the circle radius.
-  *
-  * @param {number} radius Circle radius.
-  * @api
-  */
+   * Set the circle radius.
+   *
+   * @param {number} radius Circle radius.
+   * @api
+   */
   setRadius(radius) {
     this.radius_ = radius;
   }

src/ol/style/RegularShape.js

@@ -142,7 +142,7 @@ class RegularShape extends ImageStyle {
      */
     this.hitDetectionImageSize_ = null;
 
-    this.render_();
+    this.render();
 
   }
 
@@ -301,7 +301,7 @@ class RegularShape extends ImageStyle {
   /**
    * @protected
    */
-  render_() {
+  render() {
     let lineCap = '';
     let lineJoin = '';
     let miterLimit = 0;
@@ -338,7 +338,6 @@ class RegularShape extends ImageStyle {
 
     let size = 2 * (this.radius_ + strokeWidth) + 1;
 
-    /** @type {RenderOptions} */
     const renderOptions = {
       strokeStyle: strokeStyle,
       strokeWidth: strokeWidth,