[
  {
    "type": "ter_furn_transform",
    "id": "ter_hedge_extra_lock_door",
    "terrain": [
      { "result": "t_door_locked", "valid_terrain": [ "t_door_c" ] },
      { "result": "t_door_locked_peep", "valid_terrain": [ "t_door_c_peep" ] },
      { "result": "t_door_metal_locked", "valid_terrain": [ "t_door_metal_c" ] }
    ]
  }
]
