docs: private void addKnownAbsentSlot(ScriptableObject.Slot[] addSlots, ScriptableObject.Slot slot)
      {
          final int insertPos = getSlotIndex(addSlots.length, slot.indexOrHash);
          ScriptableObject.Slot old = addSlots[insertPos];
          addSlots[insertPos] = slot;
          slot.next = old;
      }