code: @Override
    public boolean isServerCopy(ServerBartender server)
    {
      for (int i = 0; i < _owners.length; i++) {
        ServerBartender serverBar = server(i);
  
        if (serverBar != null && serverBar.isSameServer(server)) {
          return true;
        }
      }
  
      return false;
    }
docs: Test if the server is the one of the node copies.
  
  @param server the server to test
  
  @return true if the server is a node copy