@Override
	public boolean addVertex(V v) {

		boolean added = super.addVertex(v);
		if (added) {
			initializeLocation(v);
			verticesAdded(Arrays.asList(v));
		}

		return added;
	}
Returns all edges shared between the two given vertices

@param start the start vertex
@param end the end vertex
@return the edges
Ghidra/Framework/Graph/src/main/java/ghidra/graph/graphs/DefaultVisualGraph.java