code: public void checkCanSetCreateOption(String option) {
      if (isOptColor() || isOptNoColor() || isOptR() || isOptA() || isOptVerbose() ||
          isOptMerged() || isOptNoMerged() || (null != getOptContains()) || isOptMLower() || 
          isOptMUpper() || isOptDLower() || isOptDUpper()) {
        throw new IllegalArgumentException(ExceptionMessageMap.getMessage("000120") + option + 
        " should be used with a branch name and optional start point, to create a branch");
      }
    }
docs: Checks whether an option for creating a branch can be set. If not, throws an
  <code>IllegalArgumentException</code>.
  
  @param option
  The name of the option being checked; for use in exception messages.