import org.simantics.db.Resource;
import org.simantics.db.Statement;
import org.simantics.db.exception.DatabaseException;
-import org.simantics.db.exception.DoesNotContainValueException;
-import org.simantics.db.exception.ManyObjectsForFunctionalRelationException;
-import org.simantics.db.exception.ServiceException;
-import org.simantics.db.exception.ValidationException;
import org.simantics.layer0.Layer0;
/**