/** Environment variable name for specifying the application type */
    private static final String FESS_APP_TYPE = "FESS_APP_TYPE";

    /** Constant value representing Docker application type */
    private static final String FESS_APP_DOCKER = "docker";

    /**
     * Protected constructor to prevent instantiation of this utility class.
     * This class is designed to be used statically.
     */
    protected ResourceUtil() {

### Action required

  * Docker v1.9.1 is officially recommended. Docker v1.8.3 and Docker v1.10 are
supported. If you are using an older release of Docker, please upgrade. Known
issues with Docker 1.9.1 can be found below.
  * CPU hardcapping will be enabled by default for containers with CPU limit set,

= vendor/github.com/docker/go-units licensed under: =


                                 Apache License
                           Version 2.0, January 2004
                        https://www.apache.org/licenses/

   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

   1. Definitions.

      "License" shall mean the terms and conditions for use, reproduction,
      and distribution as defined by Sections 1 through 9 of this document.

    }

    public void test_getOverrideConfPath() {
        // Test when app type is not docker
        OptionalEntity<String> confPath = ResourceUtil.getOverrideConfPath();
        assertNotNull(confPath);
        // Should be empty when not docker app type
        if (!"docker".equalsIgnoreCase(ResourceUtil.getAppType())) {
            assertFalse(confPath.isPresent());
        }
    }

        logger = LogManager.getLogger(loggerName);
        final String logFormat = ComponentUtil.getFessConfig().getAppAuditLogFormat();
        if (StringUtil.isBlank(logFormat)) {
            useEcsFormat = "docker".equals(getEnvMap().get("FESS_APP_TYPE"));
        } else if ("ecs".equals(logFormat)) {
            useEcsFormat = true;
        }
    }

    /**
     * Get the environment map.

      incurred by, or claims asserted against, such Contributor by reason
      of your accepting any such warranty or additional liability.

   END OF TERMS AND CONDITIONS

   Copyright 2014 Docker, Inc.

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

        assertNotNull(envMap);
    }

    public void test_init_withDockerEnvironment() {
        Map<String, String> dockerEnv = new HashMap<>();
        dockerEnv.put("FESS_APP_TYPE", "docker");
        activityHelper.setEnvMap(dockerEnv);
        activityHelper.init();
        assertTrue(activityHelper.useEcsFormat);
    }

    public void test_init_withNonDockerEnvironment() {

    //            (__)\       )\/\
    //                ||----w |
    //                ||     ||
    Runnable state = get();
    Blocker blocker = null;
    while (state instanceof Blocker || state == PARKED) {
      if (state instanceof Blocker) {
        blocker = (Blocker) state;
      }
      spinCount++;
      if (spinCount > MAX_BUSY_WAIT_SPINS) {
        /*

            .expireAfterWrite(EXPIRING_TIME, MILLISECONDS)
            .removalListener(removalListener)
            .ticker(ticker)
            .build(loader);
    checkExpiration(cache, loader, ticker, removalListener);
  }

  public void testExpiration_expireAfterAccess() {
    FakeTicker ticker = new FakeTicker();
    CountingRemovalListener<String, Integer> removalListener = countingRemovalListener();

  private var taskQueue = taskRunner.newQueue()

  /** Names this web socket for observability and debugging. */
  private var name: String? = null

  /** The socket that carries this web socket. This is canceled when the web socket fails. */
  private var socket: Socket? = null

  /** Outgoing pongs in the order they should be written. */
  private val pongQueue = ArrayDeque<ByteString>()