private static final Logger log = LoggerFactory.getLogger(AbstractCIFSContext.class);
    private boolean closed;


    /**
     * 
     */
    public AbstractCIFSContext () {
        Runtime.getRuntime().addShutdownHook(this);
    }


    /**
     * @param creds
     * @return a wrapped context with the given credentials
     */
    @Override
    public CIFSContext withCredentials ( Credentials creds ) {

        callerInfo = new NullPointerException().getStackTrace()[2];

        Runnable warning = this::maybeWarnAboutCleanUp;

        cleanupWarning = new Thread(warning);

        Runtime.getRuntime().addShutdownHook(cleanupWarning);
    }

    private void maybeWarnAboutCleanUp() {
        if (warnAboutCleanup) {
            System.out.println("[WARNING] TestFileManager from: " + callerInfo.getClassName() + " not cleaned up!");

                        logger.debug("Destroying LaContainer..");
                    }
                    destroyContainer();
                }
            };
            Runtime.getRuntime().addShutdownHook(shutdownCallback);

            systemMonitorTask = TimeoutManager.getInstance().addTimeoutTarget(new SystemMonitorTarget(),