@Override
	public boolean checkModifiers(MouseEvent e) {
		return e.getModifiersEx() == singleSelectionMask;
	}
Mouse plugin to allow for edge navigation

@param <V> the vertex type
@param <E> the edge type
Ghidra/Features/GraphServices/src/main/java/ghidra/graph/visualization/mouse/JgtEdgeNavigationPlugin.java