code: @Override
      public void usageDetail(
              final char commandPrefix,
              final ICmdLineArg<?> arg,
              final int _indentLevel)
      {
          nameIt(commandPrefix, arg);
  
          allign(29);
          final String help = ((AbstractCLA<?>) arg).getHelp();
          if (help != null && help.trim().length() > 0)
              append(help);
  
          append(" ");
  
          usageDetailModifiers(commandPrefix, arg, _indentLevel + 1);
  
          if (((AbstractCLA<?>) arg).getFormat() != null)
              append("The value must adhere to \"").append(((AbstractCLA<?>) arg).getFormat() + "\". ");
  
          unallign();
          newLine();
      }
docs: {@inheritDoc}
  
  <p>
  usageDetail.
  </p>