instanceElementSelector
A single element within an instance selector. Assigns a value to one property of the constructed instance. The name is a referential identifier corresponding to a property of the named type.
Examples
Assign a numeric value
FHIR.Quantity { value: 5.0, unit: 'mg' }Assign a nested instance
FHIR.Coding { system: 'http://snomed.info/sct', code: '44054006' }EBNF
instanceElementSelector : referentialIdentifier ':' expression ;