code: function receiverOnPing(data) {
    const websocket = this[kWebSocket];
  
    websocket.pong(data, !websocket._isServer, NOOP);
    websocket.emit('ping', data);
  }
docs: The listener of the `Receiver` `'ping'` event.
  
  @param {Buffer} data The data included in the ping frame
  @private