if (usage == 0) {
            synchronized (this) {
                log.debug("Usage dropped to zero, release session");
                if (this.sessionAcquired.compareAndSet(true, false)) {
                    this.session.release();
                }
            }
        } else if (usage < 0) {
            log.error("Usage count dropped below zero " + this);
            dumpResource();

                    }
                }
            }
        } else if (usage < 0) {
            log.error("Usage count dropped below zero " + this);
            throw new RuntimeCIFSException("Usage count dropped below zero");
        }
    }

    /**
     * Close the tree connection (implements AutoCloseable)
     *

   *
   * @throws IllegalStateException if the response is closed.
   * @throws IOException if the trailers cannot be loaded, such as if the network connection is
   *     dropped.
   */
  @Throws(IOException::class)
  fun trailers(): Headers = trailersSource.get()

  /**
   * Returns the trailers after the HTTP response, if they are available to read immediately. Unlike

    .build();
```

                            session.release();
                        }
                    }
                } catch (Exception e) {
                    if (!e.getMessage().contains("Usage count dropped below zero")) {
                        exceptions.add(e);
                    }
                } finally {
                    endLatch.countDown();
                }
            });
        }

        final long us = this.usageCount.decrementAndGet();
        if (us == 0) {
            this.treeConnection.release();
        } else if (us < 0) {
            throw new RuntimeCIFSException("Usage count dropped below zero");
        }
    }

    @Override
    protected void finalize() throws Throwable {
        try {
            // Add null check to prevent NPE if object was not fully constructed

type ReplicationMRFStats struct {
	LastFailedCount uint64 `json:"failedCount_last5min"`
	// Count of unreplicated entries that were dropped after MRF retry limit reached since cluster start.
	TotalDroppedCount uint64 `json:"droppedCount_since_uptime"`
	// Bytes of unreplicated entries that were dropped after MRF retry limit reached since cluster start.
	TotalDroppedBytes uint64 `json:"droppedBytes_since_uptime"`
}

 *       alternatives.
 *   <li>It imposes requirements on the lifecycle of its subscribers. For example, if an event
 *       occurs between when one subscriber is removed and the next subscriber is added, the event
 *       is dropped.
 *   <li>Its performance is suboptimal, especially under Android.
 *   <li>It <a href="https://github.com/google/guava/issues/1431">doesn't support parameterized
 *       types</a>.

        }

        if (usage == 0) {
            if (log.isTraceEnabled()) {
                log.trace("Transport usage dropped to zero " + this);
            }
        } else if (usage < 0) {
            throw new RuntimeCIFSException("Usage count dropped below zero");
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#finalize()
     */
    @Override

 *  New: Buffer WebSocket frames for better performance.
 *  New: Drop support for `TLS_DHE_DSS_WITH_AES_128_CBC_SHA`, our only remaining
    DSS cipher suite. This is consistent with Firefox and Chrome which have also
    dropped these cipher suite.

## Version 2.5.0

_2015-08-25_

 *  **Timeouts now default to 10 seconds.** Previously we defaulted to never
    timing out, and that was a lousy policy. If establishing a connection,