*
 * Why so much construction?
 */
class OneLineLogFormat : Formatter() {
  private val d =
    DateTimeFormatterBuilder()
      .appendValue(HOUR_OF_DAY, 2)
      .appendLiteral(':')
      .appendValue(MINUTE_OF_HOUR, 2)
      .optionalStart()
      .appendLiteral(':')
      .appendValue(SECOND_OF_MINUTE, 2)
      .optionalStart()
      .appendFraction(NANO_OF_SECOND, 3, 3, true)
      .toFormatter()

     * @param name the property name
     * @param defaultValue the default value to use if property doesn't exist
     * @param appendValue the value to append to the property value
     */
    protected void addSystemProperty(final List<String> cmdList, final String name, final String defaultValue, final String appendValue) {
        final String value = System.getProperty(name);
        if (value != null) {

        }

        // Expose protected methods for testing
        public void testAddSystemProperty(List<String> cmdList, String name, String defaultValue, String appendValue) {
            super.addSystemProperty(cmdList, name, defaultValue, appendValue);
        }

        public void testAddFessConfigProperties(List<String> cmdList) {
            super.addFessConfigProperties(cmdList);
        }