import org.simantics.acorn.exception.IllegalAcornStateException;
import org.simantics.db.service.Bytes;
import org.simantics.utils.datastructures.Pair;
import org.simantics.acorn.exception.IllegalAcornStateException;
import org.simantics.db.service.Bytes;
import org.simantics.utils.datastructures.Pair;