private Set<FGVertex> selectVertices(FunctionGraph functionGraph, FGVertex... vertices) {

		Set<FGVertex> set = new HashSet<>();
		for (FGVertex vertex : vertices) {
			set.add(vertex);
		}

		pickVertices(set);

		waitForSwing();
		return set;
	}
Finds an edge that represents the given edge, which may no longer exist with
the same (==) edge instances.
Ghidra/Features/FunctionGraph/src/test.slow/java/ghidra/app/plugin/core/functiongraph/AbstractFunctionGraphTest.java