asDomainUnit
Casts this PolicyGrantPrincipal as a DomainUnit and retrieves its aws.sdk.kotlin.services.datazone.model.DomainUnitPolicyGrantPrincipal value. Throws an exception if the PolicyGrantPrincipal is not a DomainUnit.
Casts this PolicyGrantPrincipal as a DomainUnit and retrieves its aws.sdk.kotlin.services.datazone.model.DomainUnitPolicyGrantPrincipal value. Throws an exception if the PolicyGrantPrincipal is not a DomainUnit.