import org.simantics.scenegraph.g2d.nodes.ConnectionNode;
import org.simantics.scenegraph.g2d.nodes.DataNode;
import org.simantics.scenegraph.g2d.nodes.LinkNode;
import org.simantics.scenegraph.g2d.nodes.ConnectionNode;
import org.simantics.scenegraph.g2d.nodes.DataNode;
import org.simantics.scenegraph.g2d.nodes.LinkNode;