public void twinkleVertex(V twinkleVertex) {
		if (twinkleVertex == null) {
			return;
		}

		VisualGraphViewUpdater<V, E> viewUpdater = getViewUpdater();
		viewUpdater.twinkeVertex(twinkleVertex);
	}
Sets the given vertex to be the focused vertex.  This will be the only focused vertex.

@param vertex the vertex
Ghidra/Framework/Graph/src/main/java/ghidra/graph/viewer/GraphComponent.java