String title = DocumentUtil.getValue(document, fessConfig.getIndexFieldTitle(), String.class);
        if (StringUtil.isBlank(title)) {
            title = DocumentUtil.getValue(document, fessConfig.getIndexFieldFilename(), String.class);
            if (StringUtil.isBlank(title)) {
                title = DocumentUtil.getValue(document, fessConfig.getIndexFieldUrl(), String.class);
            }
        }

            final int c = bomIn.read(b);

            if (c == -1) {
                return encoding;
            }

            final String head = new String(b, 0, c, encoding);
            if (StringUtil.isBlank(head)) {
                return encoding;
            }
            final Matcher matcher = getEncodingPattern().matcher(head);
            if (matcher.find()) {
                final String enc = matcher.group(1);

            generateImportPackages()
                .map { "$it.*" } + "" +
                AnnotationGenerator.ADDITIONAL_DEFAULT_IMPORTS
        return imports.joinToString(separator = "\n") {
            if (it.isBlank()) "" else "import $it"
        }
    }

    private
    fun groovyProjectAccessors(): String {
        val objectMethods = Any::class.java.declaredMethods.toList()
        return Project::class

        String commitId = BuildEnvironmentKt.getBuildEnvironmentExtension(project).getGitCommitId().get();
        if (commitId.isBlank() || commitId.toLowerCase().contains("unknown")) {
            // we can't figure out the commit ID (probably this is a source distribution build), let's skip adding source links
            return;
        }

        if (xpath == null) {
            xpath = fessConfig.getCrawlerDocumentHtmlCanonicalXpath();
        }
        if (StringUtil.isBlank(xpath)) {
            return null;
        }
        final String canonicalUrl = getSingleNodeValue(document, xpath, node -> node);
        if (StringUtil.isBlank(canonicalUrl)) {
            return null;
        }
        return normalizeCanonicalUrl(responseData.getUrl(), canonicalUrl);
    }

                var content = "content" // set to empty string to delete file

                @TaskAction
                fun go() {
                    val file = output.get().asFile
                    if (content.isBlank()) {
                        file.delete()
                    } else {
                        file.writeText(content)
                    }
                }
            }
        """
    }

		}
		fmt.Fprintf(buf, "%s%s\n", s.prefix, b.Fence)
	}
}

func newPre(p *parseState, s line) (line, bool) {
	peek2 := s
	if p.para() == nil && peek2.trimSpace(4, 4, false) && !peek2.isBlank() {
		b := &preBuilder{ /*indent: strings.TrimSuffix(s.string(), peek2.string())*/ }
		p.addBlock(b)
		p.corner = p.corner || peek2.nl != '\n' // goldmark does not normalize to \n
		b.text = append(b.text, peek2.string())

    }

    /**
     * ブランクではないかどうか返します。
     *
     * @param str
     *            文字列
     * @return ブランクではなければ{@literal true}
     * @see #isBlank(String)
     */
    public static boolean isNotBlank(final String str) {
        return !isBlank(str);
    }

    /**
     * charを含んでいるかどうか返します。
     *
     * @param str
     *            文字列
     * @param ch
     *            char

	for len(lines) > 0 && isBlank(lines[0]) {
		lines = lines[1:]
	}
	for len(lines) > 0 && isBlank(lines[len(lines)-1]) {
		lines = lines[:len(lines)-1]
	}
	if len(lines) == 0 {
		return nil
	}

	// Compute and remove common indentation.
	prefix := leadingSpace(lines[0])
	for _, line := range lines[1:] {
		if !isBlank(line) {
			prefix = commonPrefix(prefix, leadingSpace(line))

            crawler.setSessionId(sid);
            sessionIdList.add(sid);

            final String urlsStr = webConfig.getUrls();
            if (StringUtil.isBlank(urlsStr)) {
                logger.warn("No target urls. Skipped");
                break;
            }

            // interval time
            final int intervalTime =