Separate internal and API methods for the view

src/ol/interaction/DragRotate.js

@@ -78,7 +78,7 @@ class DragRotate extends PointerInteraction {
         Math.atan2(size[1] / 2 - offset[1], offset[0] - size[0] / 2);
     if (this.lastAngle_ !== undefined) {
       const delta = theta - this.lastAngle_;
-      view.adjustRotation(-delta);
+      view.adjustRotationInternal(-delta);
     }
     this.lastAngle_ = theta;
   }