code: public void delete() {
          BoxAPIConnection api = this.getAPI();
          URL url = COLLABORATION_WHITELIST_ENTRY_URL_TEMPLATE.build(api.getBaseURL(), this.getID());
  
          BoxAPIRequest request = new BoxAPIRequest(api, url, HttpMethod.DELETE);
          BoxAPIResponse response = request.send();
          response.disconnect();
      }
docs: Deletes this collaboration whitelist.