Union of http://hl7.org/fhir/ValueSet/task-code and http://hl7.org/fhir/ValueSet/task-code
This is the ValueSet that contains all the codes in Task Codes (http://hl7.org/fhir/ValueSet/task-code) and Task Codes (http://hl7.org/fhir/ValueSet/task-code). E.g. what you have to deal with if you get resources containing codes in either of them