NameFlagsCard.TypeDescription & Constraintsdoco
.. DomainResource IResourceA resource with narrative, extensions, and contained resources
If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated
If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource
If the resource is contained in another resource, it SHALL NOT contain nested Resources
If the resource is contained in another resource, it SHALL NOT contain any narrative
... text I0..1NarrativeText summary of the resource, for human interpretation
... contained 0..*ResourceContained, inline Resources
... extension 0..*ExtensionAdditional Content defined by implementations
... modifierExtension ?!0..*ExtensionExtensions that cannot be ignored

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