{
  "start_pool": "lifesteal:example",                             //<= template_pool
  "biomes": "#lifesteal:has_structure/example",                  //<= biome or biome tag
  "type": "minecraft:jigsaw",                                    //<= the structure type (almost always "jigsaw")
  "step": "surface_structures",                                  //<= the generation step. possible values: raw_generation, lakes, local_modifications, underground_structures, surface_structures, strongholds, underground_ores, underground_decoration, fluid_springs, vegetal_decoration, and top_layer_modification
  "project_start_to_heightmap": "WORLD_SURFACE_WG",              //<= optional heightmap type. Possible values: WORLD_SURFACE_WG, WORLD_SURFACE, OCEAN_FLOOR_WG, OCEAN_FLOOR, MOTION_BLOCKING, and MOTION_BLOCKING_NO_LEAVES
  "spawn_overrides": {},                                         //<= override mob spawning inside the structure bounding boxes
  "terrain_adaptation": "beard_thin",                            //<= possible values: none, beard_thin, beard_box, bury
  "size": 1,                                                     //<= This is a number between 1 and 7 (max jigsaw structure pieces). Always 1 for single-structures.
  "start_height": {
    "absolute": 0                                                //<= if not 0, will move the start relative to the heightmap
  },
  "max_distance_from_center": 30,                                //<= Value between 1 and 128. The maximum distance that a jigsaw can branch out.
  "use_expansion_hack": false                                    //<= You should always set this to false
}
