import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
-import java.util.Iterator;
import java.util.List;
import java.util.Properties;
import java.util.Scanner;
import org.onap.policy.xacml.api.pap.OnapPDP;
import org.onap.policy.xacml.api.pap.OnapPDPGroup;
import org.onap.policy.xacml.api.pap.PAPPolicyEngine;
-import org.onap.policy.xacml.std.pap.StdPAPPolicy;
import org.onap.policy.xacml.std.pap.StdPDP;
import org.onap.policy.xacml.std.pap.StdPDPGroup;
import org.onap.policy.xacml.std.pap.StdPDPItemSetChangeNotifier.StdItemSetChangeListener;