In support of distributing expression-based value set definitions, work on computable guideline content has established a value set profile that provides conformance requirements and guidance:

http://hl7.org/fhir/uv/cpg/2019Sep/documentation-terminology.html

Consider including the ExpressionBasedValueSet profile (cpg-expressionbasedvalueset) as a core profile of ValueSet, along with the associated guidance for how to use it.