private static String unQuoteUnEscape(final String original) {
        String result = original;

        // Unquote
        if (result.indexOf('\"') >= 0) {
            final Matcher m = QUOTE_REPLACE_PATTERN.matcher(original);
            if (m.matches()) {
                result = m.group(1);
            }

            // Unescape
            if (result.indexOf(ESCAPED_QUOTE) >= 0) {

    }

    public BiFunction<String, Matcher, String> createPathMatcher(final Matcher matcher, final String replacement) { // for PathMapping
        if (FUNCTION_ENCODEURL_MATCHER.equals(replacement)) {
            return (u, m) -> DocumentUtil.encodeUrl(u);
        }
        if (!replacement.startsWith(GROOVY_MATCHER)) {
            return (u, m) -> m.replaceAll(replacement);
        }

import org.lastaflute.web.util.LaServletContextUtil;
import org.lastaflute.web.validation.ActionValidator;
import org.opensearch.monitor.os.OsProbe;

import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import com.ibm.icu.util.ULocale;

public class SystemHelper {

    private static final Logger logger = LogManager.getLogger(SystemHelper.class);

        if (logger.isInfoEnabled()) {
            logger.info("Load {}", this.getClass().getSimpleName());
        }
        ComponentUtil.getWebApiManagerFactory().add(this);
    }

    @Override
    public boolean matches(final HttpServletRequest request) {
        final String servletPath = request.getServletPath();
        return servletPath.startsWith(pathPrefix);
    }

    @Override

        parser.parse(new InputSource(is));
        Node node = parser.getDocument().getFirstChild().getLastChild().getFirstChild();
        return tag.matches(node);
    }

    public void test_normalizeQueryLanguages() {
        FessProp.propMap.clear();
        FessConfig fessConfig = new FessConfig.SimpleImpl() {
            @Override

        }
        if ("suggest-words".equals(type)) {
            return FormatType.SUGGEST;
        }
        // default
        return FormatType.OTHER;
    }

    @Override
    public boolean matches(final HttpServletRequest request) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (!fessConfig.isWebApiJson()) {
            return false;
        }