public Map<FGVertex, Point> getSavedVertexLocations() {
		return settings.getVertexLocations(this);
	}
Returns any saved location information for the vertices of this graph.  Location information
is saved when users manually move vertices in the graph.

@return any saved location information for the vertices of this graph.
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/graph/FunctionGraph.java