}
                final Postbox postbox = ComponentUtil.getComponent(Postbox.class);
                try {
                    final NotificationHelper notificationHelper = ComponentUtil.getNotificationHelper();
                    SMailCallbackContext.setPreparedMessageHookOnThread(notificationHelper::send);
                    EsStatusPostcard.droppedInto(postbox, postcard -> {

    //                                                                         ===========
    public static TestmailPostcard droppedInto(Postbox postbox, MPCall<TestmailPostcard> postcardLambda) {
        TestmailPostcard postcard = new TestmailPostcard();
        postcardLambda.write(postcard);
        postbox.post(postcard);
        return postcard;
    }

    // ===================================================================================

    //                                                                         ===========
    public static EsStatusPostcard droppedInto(Postbox postbox, MPCall<EsStatusPostcard> postcardLambda) {
        EsStatusPostcard postcard = new EsStatusPostcard();
        postcardLambda.write(postcard);
        postbox.post(postcard);
        return postcard;
    }

    // ===================================================================================

            final DynamicProperties systemProperties = ComponentUtil.getSystemProperties();
            final String toStrs = fessConfig.getNotificationTo();
            final Postbox postbox = ComponentUtil.getComponent(Postbox.class);
            try {
                final String[] toAddresses;
                if (StringUtil.isNotBlank(toStrs)) {
                    toAddresses = toStrs.split(",");

        dataMap.put("hostname", systemHelper.getHostname());

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final Postbox postbox = ComponentUtil.getComponent(Postbox.class);
        try {
            TestmailPostcard.droppedInto(postbox, postcard -> {
                postcard.setFrom(fessConfig.getMailFromAddress(), fessConfig.getMailFromName());

    //                                                                         ===========
    public static CrawlerPostcard droppedInto(Postbox postbox, MPCall<CrawlerPostcard> postcardLambda) {
        CrawlerPostcard postcard = new CrawlerPostcard();
        postcardLambda.write(postcard);
        postbox.post(postcard);
        return postcard;
    }

    // ===================================================================================

	"portugal":                             "\U0001f1f5\U0001f1f9",
	"post_office":                          "\U0001f3e3",
	"postal_horn":                          "\U0001f4ef",
	"postbox":                              "\U0001f4ee",
	"potable_water":                        "\U0001f6b0",
	"potato":                               "\U0001f954",
	"potted_plant":                         "\U0001fab4",

Host: example.com
Content-Type: application/x-www-form-urlencoded
Content-Length: 15

postfoo=postbar`
	h := &Handler{
		Path: os.Args[0],
		Root: "/test.cgi",
	}
	expectedMap := map[string]string{
		"test":               "Hello CGI",
		"param-postfoo":      "postbar",
		"env-REQUEST_METHOD": "POST",
		"env-CONTENT_LENGTH": "15",
		"env-REQUEST_URI":    "/test.cgi?a=b",
	}

class SimpleProgressFormatter implements ProgressFormatter {
    private final int total;
    private int current;
    private String postfix;

    public SimpleProgressFormatter(int total, String postfix) {
        this.total = total;
        this.postfix = postfix;
    }

    @Override
    public String incrementAndGetProgress() {
        if (current == total) {

    private final Spec<? super FileTreeElement> spec;
    private final boolean postfix;
    private final FileVisitor visitor;
    private final AtomicBoolean stopFlag;
    private final RelativePath rootPath;
    private final FileSystem fileSystem;

    public PathVisitor(Spec<? super FileTreeElement> spec, boolean postfix, FileVisitor visitor, AtomicBoolean stopFlag, RelativePath rootPath, FileSystem fileSystem) {