import java.util.Collections;
import java.util.List;
import java.util.concurrent.Callable;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
+import org.opendaylight.mdsal.binding.api.DataBroker;
import org.opendaylight.netvirt.dhcpservice.DhcpExternalTunnelManager;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev170119.Tunnel;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class DhcpInterfaceUpdateJob implements Callable<List<ListenableFuture<Void>>> {
+public class DhcpInterfaceUpdateJob implements Callable<List<? extends ListenableFuture<?>>> {
private static final Logger LOG = LoggerFactory.getLogger(DhcpInterfaceUpdateJob.class);
private final DhcpExternalTunnelManager dhcpExternalTunnelManager;