@Nullable
  private static GraphEdge getDottedEdge(@Nullable GraphElement graphElement, @NotNull LinearGraph graph) {
    if (graphElement == null) return null;

    if (graphElement instanceof GraphEdge && ((GraphEdge)graphElement).getType() == GraphEdgeType.DOTTED) return (GraphEdge)graphElement;
    if (graphElement instanceof GraphNode node) {
      for (GraphEdge edge : graph.getAdjacentEdges(node.getNodeIndex(), EdgeFilter.NORMAL_ALL)) {
        if (edge.getType() == GraphEdgeType.DOTTED) return edge;
      }
    }

    return null;
  }
@Nullable
  private static GraphEdge getDottedEdge(@Nullable GraphElement graphElement, @NotNull LinearGraph graph)