*/
package org.opendaylight.controller.md.sal.dom.store.impl.tree;
+import org.opendaylight.mdsal.dom.spi.RegistrationTreeNode;
+
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import java.util.Collection;
-import org.opendaylight.controller.md.sal.dom.spi.RegistrationTreeNode;
import org.opendaylight.controller.md.sal.dom.store.impl.DataChangeListenerRegistration;
import org.opendaylight.yangtools.concepts.Identifiable;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;