This is the ValueSet that contains all the codes in Einwilligung-Kategorie (https://fhir.cognovis.de/praxis/ValueSet/einwilligung-kategorie) and Einwilligung-Kategorie (https://fhir.cognovis.de/praxis/ValueSet/einwilligung-kategorie). E.g. what you have to deal with if you get resources containing codes in either of them