147     Map<S2Loop, List<S2Loop>> loopMap = Maps.newHashMap();  in init()  local
150     loopMap.put(null, Lists.<S2Loop>newArrayList());  in init()
153       insertLoop(loop, null, loopMap);  in init()
167     sortValueLoops(loopMap);  in init()
171     initLoop(null, -1, loopMap);  in init()
931   private static void sortValueLoops(Map<S2Loop, List<S2Loop>> loopMap) {  in sortValueLoops()  argument
932     for (S2Loop key : loopMap.keySet()) {  in sortValueLoops()
933       Collections.sort(loopMap.get(key));  in sortValueLoops()
937   private static void insertLoop(S2Loop newLoop, S2Loop parent, Map<S2Loop, List<S2Loop>> loopMap) {  in insertLoop()  argument
938     List<S2Loop> children = loopMap.get(parent);  in insertLoop()
942       loopMap.put(parent, children);  in insertLoop()
947         insertLoop(newLoop, child, loopMap);  in insertLoop()
958     List<S2Loop> newChildren = loopMap.get(newLoop);  in insertLoop()
964           loopMap.put(newLoop, newChildren);  in insertLoop()
975   private void initLoop(S2Loop loop, int depth, Map<S2Loop, List<S2Loop>> loopMap) {  in initLoop()  argument
980     List<S2Loop> children = loopMap.get(loop);  in initLoop()
983         initLoop(child, depth + 1, loopMap);  in initLoop()