code: protected ServerConnector createServerConnector(ServerModelStore modelStore, Codec codec) {
          ServerConnector connector = new ServerConnector();
          connector.setServerModelStore(modelStore);
          connector.setCodec(codec);
          return connector;
      }
docs: Creates a new {@code ServerConnector}.
  Subclasses may override this method to customize how this instance should be created.
  
  @param modelStore - the {@code ServerModelStore} to be attached to the {@code ServerConnector}.
  @param codec      - the {@code Codec} to be attached to the {@code ServerConnector}.
  
  @return a freshly created {@code ServerConnector}.