}
            }
        }

        return this;

    }

    /**
     *
     */
    public void release() {
        final long usage = this.usageCount.decrementAndGet();
        if (log.isTraceEnabled()) {
            log.trace("Release tree connection " + usage + " " + this);
        }

        if (usage == 0) {
            synchronized (this) {

    
    public boolean canSend() {
        return sendCredits.get() > 0 && state == RdmaConnectionState.ESTABLISHED;
    }
    
    public void consumeSendCredit() {
        sendCredits.decrementAndGet();
    }
    
    public void grantSendCredit() {
        sendCredits.incrementAndGet();
    }
    
    public void grantReceiveCredit() {
        receiveCredits.incrementAndGet();
    }
    

    removeFromReplica(replica, replicatedMaxValue);
  }

  private static void removeFromReplica(Map<Integer, AtomicInteger> replica, int value) {
    AtomicInteger numOccur = replica.get(value);
    if (numOccur.decrementAndGet() == 0) {
      replica.remove(value);
    }
  }

  private static void assertIntact(MinMaxPriorityQueue<?> q) {
    if (!q.isIntact()) {
      fail("State " + Arrays.toString(q.toArray()));
    }

    private final AtomicLong registrationFailures = new AtomicLong();
    
    public void recordRegistration() { registrationsActive.incrementAndGet(); }
    public void recordUnregistration() { registrationsActive.decrementAndGet(); }
    public void recordNotification() { notificationsReceived.incrementAndGet(); }
    public void recordFailover() { failoverEvents.incrementAndGet(); }

     */
    @Override
    public void close() {
        release();
    }

    /**
     *
     */
    public void release() {
        long usage = this.usageCount.decrementAndGet();
        if (log.isTraceEnabled()) {
            log.trace("Release session " + usage + " " + this);
        }

        if (usage == 0) {
            if (log.isDebugEnabled()) {

    removeFromReplica(replica, replicatedMaxValue);
  }

  private static void removeFromReplica(Map<Integer, AtomicInteger> replica, int value) {
    AtomicInteger numOccur = replica.get(value);
    if (numOccur.decrementAndGet() == 0) {
      replica.remove(value);
    }
  }

  private static void assertIntact(MinMaxPriorityQueue<?> q) {
    if (!q.isIntact()) {
      fail("State " + Arrays.toString(q.toArray()));
    }

      delegateIndex = delegates.size();
    }

    @SuppressWarnings("Interruption") // We are propagating an interrupt from a caller.
    private void recordCompletion() {
      if (incompleteOutputCount.decrementAndGet() == 0 && wasCancelled) {
        for (ListenableFuture<? extends T> toCancel : inputFutures) {
          if (toCancel != null) {
            toCancel.cancel(shouldInterrupt);
          }
        }
      }