fn place_stairs_down(
placer: &mut ScatteredFeaturePlacer<'_, '_>,
random: &mut WorldgenRandom,
entry_door: StrongholdSmallDoorType,
)fn place_stairs_down(
placer: &mut ScatteredFeaturePlacer<'_, '_>,
random: &mut WorldgenRandom,
entry_door: StrongholdSmallDoorType,
)