updatePreauthHash(resp.getRequestRaw());
            updatePreauthHash(resp.getResponseRaw());
            if ( log.isDebugEnabled() ) {
                log.debug("Preauth hash after negotiate " + Hexdump.toHexString(this.preauthIntegrityHash));
            }
        }
    }


    protected synchronized void doDisconnect ( boolean hard ) throws IOException {

      }

      @Override
      @CheckForNull
      K getSuperclass(K type) {
        return delegate.getSuperclass(type);
      }
    }
  }

  // This happens to be the hash of the class as of now. So setting it makes a backward compatible
  // change. Going forward, if any incompatible change is added, we can change the UID back to 1.
  private static final long serialVersionUID = 3637540370352322684L;