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

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

import java.util.Map;
import java.util.Objects;

public final class MemoryUtil {
    private MemoryUtil() {
    }

    public static String getMemoryUsageLog() {
        final Runtime runtime = Runtime.getRuntime();
        final long freeBytes = runtime.freeMemory();
        final long maxBytes = runtime.maxMemory();
        final long totalBytes = runtime.totalMemory();
        final long usedBytes = totalBytes - freeBytes;

    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 ) {

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

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

                @Override
                public void run() {
                    destroyContainer();
                }

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

            commandThread = new Thread(() -> {
                try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))) {
                    String command;

            if (executorService == null) {
                int numThreads = ComponentUtil.getFessConfig().getRankFusionThreadsAsInteger();
                if (numThreads <= 0) {
                    numThreads = (Runtime.getRuntime().availableProcessors() * 3) / 2 + 1;
                }
                executorService = Executors.newFixedThreadPool(numThreads);
            }
        }
    }

     */
    public synchronized int getTimeoutTaskCount() {
        return timeoutTaskList.size();
    }

    @Override
    public void run() {
        int nThreads = Runtime.getRuntime().availableProcessors() / 2;
        final String value = System.getProperty("corelib.timeout_task.num_of_threads");
        if (StringUtil.isNotBlank(value)) {
            try {

        jvmClassesObj.total_loaded = classes.getTotalLoadedClassCount();
        jvmClassesObj.unloaded = classes.getUnloadedClassCount();
        jvmObj.uptime = jvmStats.getUptime().getMillis();
        return jvmObj;
    }

    private ProcessObj getProcessObj() {
        final ProcessObj processObj = new ProcessObj();
        final ProcessProbe processProbe = ProcessProbe.getInstance();

            return num;
        }
        return Runtime.getRuntime().availableProcessors();
    }

    Integer getCrawlerHttpThreadPoolSizeAsInteger();

    default int getCrawlerHttpProcessors() {
        final int num = getCrawlerHttpThreadPoolSizeAsInteger();
        if (num > 0) {
            return num;
        }
        return Runtime.getRuntime().availableProcessors();
    }

        append(buf, "unloaded", () -> classes.getUnloadedClassCount());
        buf.append("},");
        append(buf, "uptime", () -> jvmStats.getUptime().getMillis());
        buf.append("},");
    }

    private void appendProcessStats(final StringBuilder buf) {
        buf.append("\"process\":{");