text: 
  export default class PolyListRenderer {
      constructor(renderer,polyList) {
          this._renderer = renderer;
          this._polyList = polyList;
      }
  
      get polyList() {
          return this._polyList;
      }
  
      get renderer() {
          return this._renderer;
      }
  
      init() {
  
      }
  
      // Updates the internal state of the renderer. It is necessary to call this
      // function if the polyList has been modified, so that the internal objects
      // of the specific rendering API are updated.
      refresh() {
  
      }
  
      draw() {
  
      }
  
      destroy() {
          
      }
  }
  