if (events.size() < 2) {
            // not enough data points
            return 0;
        }
        GarbageCollectionEvent first = events.iterator().next();
        GarbageCollectionEvent last = Iterables.getLast(events);
        // Total number of garbage collection events observed in the window
        long gcCountDelta = last.getCount() - first.getCount();
        // Time interval between the first event in the window and the last

        this.address = address;
    }

    /**
     * Port to bind to for {@link Output#TCP_SERVER} or {@link Output#TCP_CLIENT}. Defaults to 6300.
     */
    @Input
    public int getPort() {
        return port;
    }

    public void setPort(int port) {
        this.port = port;
    }

    /**
     * Path to dump all class files the agent sees are dumped to. Defaults to no dumps.

        isCurrentLevelUnfiltered.removeLast();
        isCurrentLevelUnfiltered.addLast(false);
    }

    public boolean isCurrentLevelUnfiltered() {
        return isCurrentLevelUnfiltered.getLast();
    }

    @Override
    public FileSystemLocationSnapshot leaveDirectory() {
        FileSystemLocationSnapshot directorySnapshot = delegate.leaveDirectory();

        searchBody.put("name", "test_webconfig");
        String res = checkMethodBase(searchBody).get("/api/admin/webconfig/settings").asString();
        List<String> webConfigList = JsonPath.from(res).getList("response.settings.findAll {it.name.startsWith(\"test_webconfig\")}.id");
        return webConfigList.get(0);
    }

    @AfterEach
    void deleteWebConfig() {

        Map<ResolvedVariant, List<TransformedVariant>> variantToTransforms = failure.getTransformedVariants().stream().collect(Collectors.groupingBy(
            TransformedVariant::getRoot,
            () -> new TreeMap<>(Comparator.comparing(variant -> variant.asDescribable().getDisplayName())),

                }
            });
        }
    }

    protected void maybeAddDependentType(Set<String> types, Type type) {
        while (type.getSort() == Type.ARRAY) {
            type = type.getElementType();
        }
        if (type.getSort() != Type.OBJECT) {
            return;
        }
        String name = type.getClassName();
        if (typeFilter.test(name)) {

    }

    @Override
    public boolean hasNext() {
      return !stack.isEmpty();
    }

    @Override
    public T next() {
      Iterator<T> itr = stack.getLast(); // throws NSEE if empty
      T result = checkNotNull(itr.next());
      if (!itr.hasNext()) {
        stack.removeLast();
      }
      Iterator<T> childItr = children(result).iterator();

        });
    }

    public List<CrawlingInfoParam> getLastCrawlingInfoParamList(final String sessionId) {
        final CrawlingInfo crawlingInfo = getLast(sessionId);
        if (crawlingInfo == null) {
            return Collections.emptyList();
        }
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        localAddress = new SocketInetAddress(localSocketAddress.getAddress(), localSocketAddress.getPort());
        InetSocketAddress remoteSocketAddress = (InetSocketAddress) socket.socket().getRemoteSocketAddress();
        remoteAddress = new SocketInetAddress(remoteSocketAddress.getAddress(), remoteSocketAddress.getPort());
        objectReader = messageSerializer.newReader(streamSerializer.newDecoder(instr));

        searchBody.put("name", "test_fileconfig");
        String res = checkMethodBase(searchBody).get("/api/admin/fileconfig/settings").asString();
        List<String> fileConfigList = JsonPath.from(res).getList("response.settings.findAll {it.name.startsWith(\"test_fileconfig\")}.id");
        return fileConfigList.get(0);
    }

    @AfterEach
    void deleteFileConfig() {