protected int newBid(int parent, int child) { return bidIndex.addToIndexUnsafe(new Pair<>(parent,child)); }
protected int newBid(int parent, int child) { return bidIndex.addToIndexUnsafe(new Pair<>(parent,child)); }
protected int newBid(int parent, int child) { return bidIndex.addToIndexUnsafe(new Pair<>(parent,child)); }