import org.opendaylight.openflowjava.protocol.api.extensibility.OFGeneralSerializer;
import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
-import org.opendaylight.openflowjava.protocol.impl.util.EncodeConstants;
+import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.openflowjava.protocol.impl.util.InstructionsInitializer;
import org.opendaylight.openflowjava.protocol.impl.util.OF10MatchSerializer;
import org.opendaylight.openflowjava.protocol.impl.util.OF13MatchSerializer;