public Element getSavedGroupHistory() {
		return settings.getRegroupVertexSettings(this);
	}
Construct an empty graph with data from this graph

@param function the function upon which this graph is based
@param settings the settings that will be used for vertices added in the future
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/graph/FunctionGraph.java