import java.util.Optional;
import org.onap.aai.domain.yang.CloudRegion;
import org.onap.aai.domain.yang.Relationship;
+import org.onap.aai.domain.yang.Tenant;
import org.onap.so.aaisimulator.models.CloudRegionKey;
/**
Optional<Relationship> addRelationShip(final CloudRegionKey key, final Relationship relationship,
final String requestUri);
+
+ boolean putTenant(final CloudRegionKey key, Tenant tenant);
+
+ Optional<Tenant> getTenant(final CloudRegionKey key, final String tenantId);
}