{
  "type": "minecraft:random_selector",
  "config": {
    "features": [
      {
        "feature": "minecraft:fancy_oak_checked",
        "chance": 0.05
      },
      {
        "feature": "minecraft:jungle_bush",
        "chance": 0.15
      },
      {
        "feature": "minecraft:mega_jungle_tree_checked",
        "chance": 0.7
      }
    ],
    "default": {
      "feature": {
        "config": {
          "tries": 32,
          "xz_spread": 7,
          "y_spread": 3,
          "feature": {
            "feature": {
              "config": {
                "to_place": {
                  "entries": [
                    {
                      "data": {
                        "Name": "minecraft:grass"
                      },
                      "weight": 3
                    },
                    {
                      "data": {
                        "Name": "minecraft:fern"
                      },
                      "weight": 1
                    }
                  ],
                  "type": "minecraft:weighted_state_provider"
                }
              },
              "type": "minecraft:simple_block"
            },
            "placement": [
              {
                "type": "minecraft:block_predicate_filter",
                "predicate": {
                  "predicates": [
                    {
                      "blocks": [
                        "minecraft:air"
                      ],
                      "type": "minecraft:matching_blocks"
                    },
                    {
                      "predicate": {
                        "offset": [
                          0,
                          -1,
                          0
                        ],
                        "blocks": [
                          "minecraft:podzol"
                        ],
                        "type": "minecraft:matching_blocks"
                      },
                      "type": "minecraft:not"
                    }
                  ],
                  "type": "minecraft:all_of"
                }
              }
            ]
          }
        },
        "type": "minecraft:random_patch"
      },
      "placement": []
    }
  }
}
