// prefix starting nodes & their outputs:
//final PathIntersector intersector = getPathIntersector(lookupAutomaton, fst);
//System.out.println(" prefixPaths: " + prefixPaths.size());
BytesReader bytesReader = fst.getBytesReader();
FST.Arc<Pair<Long,BytesRef>> scratchArc = new FST.Arc<>();
final List<LookupResult> results = new ArrayList<>();