[
  {
    "type": "mapgen",
    "om_terrain": "debug_itemgroup_test",
    "object": { "fill_ter": "t_pavement", "items": { " ": [ { "item": "milspec_arsenal_group_only_ammo", "chance": 100 } ] } }
  },
  {
    "type": "overmap_terrain",
    "id": "debug_itemgroup_test",
    "name": "debug_item_group_test",
    "sym": "T",
    "color": "light_red",
    "see_cost": "none",
    "flags": [ "NO_ROTATE", "SHOULD_NOT_SPAWN" ]
  },
  {
    "type": "overmap_special",
    "id": "debug_itemgroup_test",
    "overmaps": [ { "point": [ 0, 0, 0 ], "overmap": "debug_itemgroup_test", "locations": [ "land" ] } ],
    "occurrences": [ 0, 0 ],
    "flags": [ "SHOULD_NOT_SPAWN" ]
  }
]
