{
  "pieces_spawn_counts" : [
    {
      "nbt_piece_name" : "farmersdelight:villages/mushroom/houses/compost_pile_1",
      "never_spawn_more_than_this_many": 1
    },
    {
      "nbt_piece_name" : "farmersdelight:villages/mushroom/houses/mushroom_farm",
      "never_spawn_more_than_this_many": 2
    }
  ]
}