code: function(properties) {
          this._handle = null;
          this._services = null;
          this._characteristics = null;
  
          this.device = null;
          this.uuid = null;
          this.isPrimary = false;
  
          mergeDictionary(this, properties);
          this.dispatchEvent({ type: "serviceadded", bubbles: true });
      }
docs: BluetoothRemoteGATTService Object