import org.simantics.browsing.ui.NodeContext;
import org.simantics.browsing.ui.common.ErrorLogger;
import org.simantics.browsing.ui.model.InvalidContribution;
import org.simantics.browsing.ui.NodeContext;
import org.simantics.browsing.ui.common.ErrorLogger;
import org.simantics.browsing.ui.model.InvalidContribution;