Lookup for FHIR R2 DomainResource for use in FHIR R4

Source ElementUsageTarget
DomainResource.idUseElementSameNameDomainResource.id
DomainResource.metaUseElementSameNameDomainResource.meta
DomainResource.implicitRulesUseElementSameNameDomainResource.implicitRules
DomainResource.languageUseElementSameNameDomainResource.language
DomainResource.textUseElementSameNameDomainResource.text
DomainResource.containedUseElementSameNameDomainResource.contained
DomainResource.extensionUseElementSameNameDomainResource.extension
DomainResource.modifierExtensionUseElementSameNameDomainResource.modifierExtension