{
	"feature": "cavernous:biomes/undergrowth/ruined_pillar",
	"placement": [
		{
			"type": "minecraft:count",
			"count": 2
		},
		{
			"type": "minecraft:in_square"
		},
		{
			"type": "minecraft:height_range",
			"height": {
				"type": "minecraft:uniform",
				"min_inclusive": {
					"above_bottom": 0
				},
				"max_inclusive": {
					"absolute": 57
				}
			}
		},
		{
			"type": "minecraft:environment_scan",
			"direction_of_search": "down",
			"max_steps": 32,
			"target_condition": {
				"type": "minecraft:all_of",
				"predicates": [
					{
						"type": "minecraft:any_of",
						"predicates": [
							{
								"type": "minecraft:would_survive",
								"offset": [
									0,
									0,
									0
								],
								"state": {
									"Name": "minecraft:dark_oak_sapling",
									"Properties": {
										"stage": "0"
									}
								}
							}
						]
					}
				]
			},
			"allowed_search_condition": {
				"type": "minecraft:matching_blocks",
				"offset": [
					0,
					0,
					0
				],
				"blocks": [
					"minecraft:air"
				]
			}
		},
		{
			"type": "minecraft:random_offset",
			"xz_spread": 0,
			"y_spread": 1
		},
		{
			"type": "minecraft:biome"
		}
	]
}
