import org.simantics.db.service.Bytes;
import org.simantics.db.service.ClusterUID;
-class ClusterChange2 {
+public class ClusterChange2 {
public static final int VERSION = 2;
public static final byte SET_IMMUTABLE_OPERATION = 1; // <byte : 0 = false>
public static final byte UNDO_VALUE_OPERATION = 2; // <int : resource index>