resource property
resource URL of the Resource that is the type used in this shape. This is the 'focus' resource of the topic (or one of them if there are more than one) and the root resource for this shape definition. It will be the same, a generality, or a specificity of SubscriptionTopic.resourceTrigger.resource or SubscriptionTopic.eventTrigger.resource when they are present.
Implementation
FhirUri? get resource => throw _privateConstructorUsedError;