*/
    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}.

        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()]);
    }

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

        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.
     */

            availableSearcherNameSet = Collections.emptySet();
        } else {
            availableSearcherNameSet = StreamUtil.split(value, ",")
                    .get(stream -> stream.map(String::trim).filter(StringUtil::isNotBlank).collect(Collectors.toUnmodifiableSet()));
        }
        if (logger.isDebugEnabled()) {
            logger.debug("availableSearcherNameSet={}", availableSearcherNameSet);
        }
    }

     * @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

                    } else {
                        ignoreFields = new String[] { Constants.INDEXING_TARGET, Constants.SESSION_ID };
                    }
                    stream(ignoreFields).of(stream -> stream.map(String::trim).forEach(s -> dataMap.remove(s)));

                    indexUpdateCallback.store(paramMap, dataMap);
                    crawlerStatsHelper.record(keyObj, StatsAction.PROCESSED);
                } else {

  /**
   * 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;
    }
  }

   * similar to the {@code basename} unix command. The result does not include the '{@code .}'.
   *
   * @param file The name of the file to trim the extension from. This can be either a fully
   *     qualified file name (including a path) or just a file name.
   * @return The file name without its path or extension.
   * @since 14.0
   */

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

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