code: public FormValidation validateHigh(final String highThreshold, final String normalThreshold) {
          return validate(highThreshold, normalThreshold, Messages.DRY_ValidationError_HighThreshold());
      }
docs: Performs on-the-fly validation on threshold for high warnings.
  
  @param highThreshold
  the threshold for high warnings
  @param normalThreshold
  the threshold for normal warnings
  @return the validation result