@Override
	public boolean addVertex(V v) {
		maybePerformAdd(() -> super.addVertex(v));
		return completeGraph.addVertex(v);
	}
Performs a remove only if this graph is not in the process of an internal update
@param c the callback to perform the remove
Ghidra/Framework/Graph/src/main/java/ghidra/graph/graphs/FilteringVisualGraph.java