code: private void loadDocevalParameters() {
      this.docevalParser.addArgument("-m", "--model").required(false)
          .setDefault(Flags.DEFAULT_EVALUATE_MODEL)
          .help("Pass the model to evaluate as a parameter.\n");
      this.docevalParser.addArgument("-t", "--testset").required(true)
          .help("The test or reference corpus.\n");
      this.docevalParser.addArgument("--clearFeatures").required(false)
          .choices("yes", "no", "docstart").setDefault(Flags.DEFAULT_FEATURE_FLAG)
          .help("Reset the adaptive features; defaults to 'no'.\n");
      this.docevalParser.addArgument("--evalReport").required(false)
      .choices("brief", "detailed").help(
          "Choose level of detail of evaluation report; it defaults to detailed evaluation.\n");
    }
docs: Create the parameters available for evaluation.