This is the ValueSet that contains all the codes in x_ActMoodDocumentObservation (https://smt.esante.gouv.fr/fhir/ValueSet/jdv-hl7-v3-xActMoodDocumentObservation) and x_ActMoodDocumentObservation (https://smt.esante.gouv.fr/fhir/ValueSet/jdv-hl7-v3-xActMoodDocumentObservation). E.g. what you have to deal with if you get resources containing codes in either of them