code: public void setOptNoMerged(boolean optNoMerged) {
      checkCanSetNoArgOption("--no-merged");
      if (optNoMerged && optMerged) {
        throw new IllegalArgumentException(ExceptionMessageMap.getMessage("000120")
            + "  --no-merged cannot be used with --merged.");
      } 
      this.optNoMerged = optNoMerged;
    }
docs: Checks whether the --no-merged option should be set and sets it.
  
  @param optNoMerged True if the --no-merged option should be used, false otherwise.