{
  "format_version": "1.21.80",
  "minecraft:jigsaw": {
    "description": {
      "identifier": "examplens:examplename"
    },
    "step": "surface_structures",
    "terrain_adaptation": "none",
    "start_pool": "examplens:examplename",
    "max_depth": 12,
    "start_height": 0,
    "heightmap_projection": "world_surface"
  }
}