[
  {
    "type": "mapgen",
    "om_terrain": [ "faction_base_helipad_garage_0" ],
    "method": "json",
    "object": { "fill_ter": "t_dirt" }
  },
  {
    "type": "mapgen",
    "update_mapgen_id": "faction_base_helipad_garage_0",
    "method": "json",
    "object": { "set": [ { "point": "furniture", "id": "f_clear", "x": 0, "y": 0 } ] }
  }
]
