code: public void clientUnsubscribedFromNode (int cloid)
      {
          _suboids.remove(cloid);
          for (LockHandler handler : _locks.values().toArray(new LockHandler[_locks.size()])) {
              if (Objects.equal(handler.getNodeName(), _nodeName)) {
                  handler.clientUnsubscribed(cloid);
              }
          }
      }
docs: Called by {@link PeerSession}s when clients unsubscribe from the {@link NodeObject}.