import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;
-import org.opendaylight.openflowjava.protocol.impl.util.EncodeConstants;
+import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.openflowjava.protocol.impl.util.EnhancedTypeKeyMaker;
import org.opendaylight.openflowjava.protocol.impl.util.EnhancedTypeKeyMakerFactory;
import org.opendaylight.openflowjava.protocol.impl.util.ListSerializer;