{
  "type": "minecraft:random_selector",
  "config": {
    "default": "clifftree:jungle_tree",
    "features": [
      {
        "chance": 0.25,
        "feature": "clifftree:jungle_tree_alt"
      },
      {
        "chance": 0.2,
        "feature": "minecraft:acacia_checked"
      }
    ],
    "placement": [
      {
        "type": "minecraft:block_predicate_filter",
        "predicate": {
          "type": "minecraft:all_of",
          "predicates": [
            {
              "type": "minecraft:matching_blocks",
              "blocks": "minecraft:air"
            },
            {
              "type": "minecraft:matching_block_tag",
          "offset": [
            0,
            -1,
            0
          ],
          "tag": "clifftree:true_dirt"
            }
          ]
        }
      }
    ]
  }
}