import org.simantics.diagram.layer.ILayersViewPage;
import org.simantics.diagram.participant.ConnectionCrossingsParticipant;
import org.simantics.diagram.participant.ContextUtil;
import org.simantics.diagram.layer.ILayersViewPage;
import org.simantics.diagram.participant.ConnectionCrossingsParticipant;
import org.simantics.diagram.participant.ContextUtil;