asDicomPatientId
Casts this SearchByAttributeValue as a DicomPatientId and retrieves its kotlin.String value. Throws an exception if the SearchByAttributeValue is not a DicomPatientId.
Casts this SearchByAttributeValue as a DicomPatientId and retrieves its kotlin.String value. Throws an exception if the SearchByAttributeValue is not a DicomPatientId.