http://hl7.org/fhir/StructureDefinition/questionnaire-optionRestriction|5.2.0

Allows disabling certain questionnaire options for the containing item based on evaluating expressions.

Name	Card	Type	Description & Constraints
Extension	0..*		Constraint
extension *	1..*	Extension	Option to exclude
extension	?..0
url	?..?	uri
value[x] *	1..?
valueInteger *	1..?	integer
valueDate *	1..?	date
valueTime *	1..?	time
valueString *	1..?	string
valueCoding *	1..?	Coding
valueReference *	1..?	Reference
extension *	1..1	Extension	Expression to trigger exclusion
extension	?..0
url	?..?	uri
value[x] *	1..?
valueExpression *	1..?	Expression
url	?..?	uri