@Override
      public WeakKeyWeakValueSegment<K, V> newSegment(
          MapMakerInternalMap<K, V, WeakKeyWeakValueEntry<K, V>, WeakKeyWeakValueSegment<K, V>> map,
          int initialCapacity) {
        return new WeakKeyWeakValueSegment<>(map, initialCapacity);
      }

      @Override
      public @Nullable WeakKeyWeakValueEntry<K, V> copy(
          WeakKeyWeakValueSegment<K, V> segment,