private boolean isInGraph() {
		FGData graphData = controller.getFunctionGraphData();
		FunctionGraph functionGraph = graphData.getFunctionGraph();
		Graph<FGVertex, FGEdge> graph = functionGraph;
		return graph.containsVertex(this);
	}
To be restored when the component for this vertex is created.
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/graph/vertex/AbstractFunctionGraphVertex.java