code: public ServiceWebSocket getService(String path)
    {
      Supplier<ServiceWebSocket> supplier = _serviceMap.get(path);
      
      if (supplier != null) {
        return supplier.get();
      }
      else {
        return null;
      }
    }
docs: /*
  public Object getProtocolClass()
  {
  throw new UnsupportedOperationException(getClass().getName());
  }