/**
     * Constructs a new HostIntervalController with default parameters.
     */
    public HostIntervalController() {
        this.lastTimes = CacheBuilder.newBuilder().expireAfterAccess(DEFAULT_CACHE_EXPIRE_HOURS, TimeUnit.HOURS).build();
    }

    /**
     * Constructs a new HostIntervalController with the specified parameters.
     *

        ConcurrentMapTestSuiteBuilder.using(
                new TestStringCacheGenerator(
                    createCacheBuilder()
                        .expireAfterAccess(1, SECONDS)
                        .ticker(new SerializableTicker())))
            .named("LocalCache with expireAfterAccess") // SerializableTicker never advances
            .withFeatures(
                CollectionSize.ANY,
                MapFeature.GENERAL_PURPOSE,

        ConcurrentMapTestSuiteBuilder.using(
                new TestStringCacheGenerator(
                    createCacheBuilder()
                        .expireAfterAccess(1, SECONDS)
                        .ticker(new SerializableTicker())))
            .named("LocalCache with expireAfterAccess") // SerializableTicker never advances
            .withFeatures(
                CollectionSize.ANY,
                MapFeature.GENERAL_PURPOSE,

    checkEmpty(cache);
  }

  public void testGet_expireAfterAccess() {
    Object computed = new Object();
    LoadingCache<Object, Object> cache =
        CacheBuilder.newBuilder()
            .expireAfterAccess(0, SECONDS)
            .removalListener(listener)
            .build(constantLoader(computed));

    Object key = new Object();
    assertThat(cache.getUnchecked(key)).isSameInstanceAs(computed);

    checkEmpty(cache);
  }

  public void testGet_expireAfterAccess() {
    Object computed = new Object();
    LoadingCache<Object, Object> cache =
        CacheBuilder.newBuilder()
            .expireAfterAccess(0, SECONDS)
            .removalListener(listener)
            .build(constantLoader(computed));

    Object key = new Object();
    assertThat(cache.getUnchecked(key)).isSameInstanceAs(computed);

        supportedLanguages = fessConfig.getSupportedLanguagesAsArray();
        langItemsCache = CacheBuilder.newBuilder()
                .maximumSize(20)
                .expireAfterAccess(1, TimeUnit.HOURS)
                .build(new CacheLoader<String, List<Map<String, String>>>() {
                    @Override
                    public List<Map<String, String>> load(final String key) throws Exception {