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