/**
   * A reference implementation for {@code tryParse} that just catches the exception from {@link
   * Double#valueOf}.
   */
  private static @Nullable Double referenceTryParse(String input) {
    if (input.trim().length() < input.length()) {
      return null;
    }
    try {
      return Double.valueOf(input);
    } catch (NumberFormatException e) {
      return null;
    }
  }

     */
    protected String crawlingConfigInternal(final CrawlingConfigForm form) {

        String configName = form.crawlingConfigName;
        String configPath = form.crawlingConfigPath.trim();
        if (StringUtil.isBlank(configName)) {
            configName = StringUtils.abbreviate(configPath, 30);
        }

        // normalize
        final StringBuilder buf = new StringBuilder(1000);

     */
    static String getValue(final List<String> list, final int index) {
        if (index >= list.size()) {
            return StringUtil.EMPTY;
        }
        String item = list.get(index).trim();
        if (StringUtil.isBlank(item)) {
            return StringUtil.EMPTY;
        }
        if (item.length() > 1 && item.charAt(0) == '"' && item.charAt(item.length() - 1) == '"') {

rray.prototype.pop),f=D(Array.prototype.push),d=D(Array.prototype.splice),h=D(String.prototype.toLowerCase),g=D(String.prototype.toString),T=D(String.prototype.match),y=D(String.prototype.replace),E=D(String.prototype.indexOf),A=D(String.prototype.trim),_=D(Object.prototype.hasOwnProperty),b=D(RegExp.prototype.test),S=(N=TypeError,function(){for(var e=arguments.length,t=new Array(e),n=0;n<e;n++)t[n]=arguments[n];return s(N,t)});var N;function D(e){return function(t){t instanceof RegExp&&(t.lastIndex=0);for(var...

        final List<String> list = new ArrayList<>(values.length);
        for (final String line : values) {
            if (StringUtil.isNotBlank(line)) {
                list.add(line.trim());
            }
        }
        return list.toArray(new String[list.size()]);
    }

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

        if (StringUtil.isBlank(value)) {
            return Collections.emptyList();
        }
        return split(value, ",").get(stream -> stream.map(String::trim)//
                .map(s -> clientRuleCache.computeIfAbsent(s, t -> {
                    final String[] values = t.split(":", 2);
                    if (values.length != 2) {
                        return null;

        val value = value(i)
        if (result == null) {
          result = TreeSet(String.CASE_INSENSITIVE_ORDER)
        }
        for (varyField in value.split(',')) {
          result.add(varyField.trim())
        }
      }
      return result ?: emptySet()
    }

    /**
     * Returns the subset of the headers in this's request that impact the content of this's body.
     */

     */
    protected boolean isTargetValue(final Object value) {
        if (value == null) {
            return !excludesNull;
        }
        if (value instanceof String && excludesWhitespace && ((String) value).trim().isEmpty()) {
            return !excludesWhitespace;
        }
        return true;
    }

    /**
     * Converts the source property name to the destination property name for use in a {@literal Map}.

     * @return an array of repository URLs
     */
    protected String[] getRepositories() {
        return split(ComponentUtil.getFessConfig().getPluginRepositories(), ",")
                .get(stream -> stream.map(String::trim).toArray(n -> new String[n]));
    }

    /**
     * Loads artifacts from a YAML-based repository.
     *
     * @param url the URL of the YAML repository

        }
        if (StringUtil.isBlank(value)) {
            return Collections.emptyList();
        }
        return split(value, ",").get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).collect(Collectors.toList()));
    }

    /**
     * Gets the default role list for users.
     * Uses new entraid.default.roles key with fallback to legacy aad.default.roles.