@Override
	public Icon getActionIcon() {
		return null;
	}
A base implementation of {@link LayoutProvider} that stubs some default methods.

<P>Some clients extends this class and adapt their graph to use one of the provided Jung
layouts.  Other clients will implement the interface of this class to create a custom layout.

@param <V> the vertex type
@param <E> the edge type
@param <G> the graph type
Ghidra/Framework/Graph/src/main/java/ghidra/graph/viewer/layout/AbstractLayoutProvider.java