public function build_wp_properties()
 {
     // set the plugin WP url here so it can be filtered
     if (defined('BWP_USE_SYMLINKS')) {
         // make use of symlinks on development environment
         $this->plugin_wp_url = $this->bridge->trailingslashit($this->bridge->plugins_url($this->plugin_folder));
     } else {
         // this should allow other package to include BWP plugins while
         // retaining correct URLs pointing to assets
         $this->plugin_wp_url = $this->bridge->trailingslashit($this->bridge->plugin_dir_url($this->plugin_file));
     }
 }