@Override
  public void processExpired() {
    DeltaSessionManager<?> manager = getDeltaSessionManager();
    if (manager != null && manager.getLogger() != null && manager.getLogger().isDebugEnabled()) {
      getDeltaSessionManager().getLogger().debug(this + ": Expired");
    }

    // Set expired (so region.destroy is not called again)
    setExpired(true);

    // Do expire processing
    super.expire(true);

    // Update statistics
    if (manager != null) {
      manager.getStatistics().incSessionsExpired();
    }
  }
Return the <code>HttpSession</code> for which this object is the facade.
extensions/geode-modules/src/main/java/org/apache/geode/modules/session/catalina/DeltaSession.java