import org.onap.policy.models.pdp.concepts.PdpSubGroup;
import org.onap.policy.models.pdp.concepts.ToscaPolicyIdentifier;
import org.onap.policy.models.pdp.concepts.ToscaPolicyTypeIdentifier;
-import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
/**
* Class to represent a PDP subgroup in the database.