This is the ValueSet that contains all the codes in Types of pseudonymization (https://www.ehealth.fgov.be/standards/fhir/infsec/ValueSet/be-vs-pseudonymization-type) and Types of pseudonymization ValueSet (https://www.ehealth.fgov.be/standards/fhir/infsec/ValueSet/be-vs-pseudonymization-type). E.g. what you have to deal with if you get resources containing codes in either of them