public Iterator<E> getUnfilteredEdges() {
		// an edge is 'unfiltered' if it is in the current graph
		return getEdges().iterator();
	}
Restores the given filtered edges into the graph.  This will only happen if both
endpoints are in the graph.

@param toUnfilter the edges to restore
Ghidra/Framework/Graph/src/main/java/ghidra/graph/graphs/FilteringVisualGraph.java