docs: @Override
  	public NodeLocator getReadonlyCopy() {
          final List<MemcachedNode> nodes = new ArrayList<MemcachedNode>();
          for ( final MemcachedNode node : _nodes ) {
              nodes.add( new MyMemcachedNodeROImpl( node ) );
          }
          return new SuffixBasedNodeLocator( nodes, _memcachedNodesManager, _sessionIdFormat );
      }