code: @Override
      public final void configureThresholdEvaluatorBuilder(final ThresholdsEvaluatorBuilder thrb, final ICommandLine cl) throws BadThresholdException {
          if (cl.hasOption("th")) {
              super.configureThresholdEvaluatorBuilder(thrb, cl);
          } else {
              thrb.withLegacyThreshold("time", null, cl.getOptionValue("warning"), cl.getOptionValue("critical")).withLegacyThreshold(
                      "secondsBehindMaster", null, cl.getOptionValue("warning"), cl.getOptionValue("critical"));
          }
      }
docs: Configures the threshold evaluator. This plugin supports both the legacy
  threshold format and the new format specification.
  
  @param thrb
  - the evaluator to be configured
  @param cl
  - the received command line
  @throws BadThresholdException
  - if the threshold can't be parsed