import java.util.HashMap;
import java.util.Map;
+import org.opendaylight.openflowplugin.api.openflow.md.core.sal.BuildSwitchFeatures;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.flow.node.SwitchFeatures;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput;
import org.slf4j.Logger;