*
     * @param value the string to be split; if {@code null}, the method returns an empty stream
     * @param regex the regular expression to use for splitting the string
     * @return a stream of substrings resulting from splitting the input string, or an empty stream if the input is {@code null}
     */
    public static StreamOf<String> split(final String value, final String regex) {

     * ip addresses.
     *
     * @param props the properties to search in
     * @param key the property key to look up
     * @param delim the delimiter to use for splitting the property value
     * @param def the default value to return if key is not found
     * @return an array of InetAddress objects or the default value
     */