| 20 | // VectorSet stores values in order of insertion. |
| 21 | template <typename Key, size N> class VectorSetFixed; |
| 22 | template <typename Key> class VectorSet; // IWYU pragma: keep |
| 23 | |
| 24 | template <typename Key, size N> |
| 25 | using FixedSet = VectorSetFixed<Key, N>; // Backwards compatibility |