This is the ValueSet that contains all the codes in Questionnaire Assemble Expectation (http://hl7.org/fhir/uv/sdc/ValueSet/assemble-expectation) and Questionnaire Assemble Expectation (http://hl7.org/fhir/uv/sdc/ValueSet/assemble-expectation). E.g. what you have to deal with if you get resources containing codes in either of them