src/main/java/hudson/plugins/dry/ThresholdValidation.java
public FormValidation validateNormal(final String highThreshold, final String normalThreshold) {
        return validate(highThreshold, normalThreshold, Messages.DRY_ValidationError_NormalThreshold());
    }
public FormValidation validateNormal(final String highThreshold, final String normalThreshold) {
        return validate(highThreshold, normalThreshold, Messages.DRY_ValidationError_NormalThreshold());
    }
Performs on-the-fly validation on threshold for normal warnings.

@param highThreshold
the threshold for high warnings
@param normalThreshold
the threshold for normal warnings
@return the validation result