{
  "config": {
    "feature": {
      "feature": {
        "config": {
          "default": {
            "feature": {
              "config": {
                "to_place": {
                  "state": {
                    "Name": "minecraft:oak_wood",
                    "Properties": {
                      "axis": "y"
                    }
                  },
                  "type": "minecraft:simple_state_provider"
                }
              },
              "type": "minecraft:simple_block"
            },
            "placement": [
              {
                "predicate": {
                  "predicates": [
                    {
                      "type": "minecraft:replaceable"
                    },
                    {
                      "predicates": [
                        {
                          "blocks": "#arboria:dirt",
                          "offset": [
                            0,
                            -1,
                            0
                          ],
                          "type": "minecraft:matching_blocks"
                        },
                        {
                          "blocks": "minecraft:oak_wood",
                          "offset": [
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                            -1,
                            0
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                          "type": "minecraft:matching_blocks"
                        }
                      ],
                      "type": "minecraft:any_of"
                    }
                  ],
                  "type": "minecraft:all_of"
                },
                "type": "minecraft:block_predicate_filter"
              }
            ]
          },
          "features": [
            {
              "chance": 0.2,
              "feature": {
                "feature": {
                  "config": {
                    "to_place": {
                      "state": {
                        "Name": "minecraft:moss_carpet"
                      },
                      "type": "minecraft:simple_state_provider"
                    }
                  },
                  "type": "minecraft:simple_block"
                },
                "placement": [
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                    "xz_spread": 0,
                    "y_spread": 1,
                    "type": "minecraft:random_offset"
                  },
                  {
                    "predicate": {
                      "predicates": [
                        {
                          "blocks": [
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                            "minecraft:vine"
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                          "type": "minecraft:matching_blocks"
                        },
                        {
                          "blocks": "minecraft:oak_wood",
                          "offset": [
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                          "type": "minecraft:matching_blocks"
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                    "type": "minecraft:block_predicate_filter"
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          ]
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        {
          "predicate": {
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              {
                "blocks": [
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                  1,
                  0
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                "type": "minecraft:matching_blocks"
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                  1
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                "type": "minecraft:matching_blocks"
              },
              {
                "blocks": [
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                  1,
                  0
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                "type": "minecraft:matching_blocks"
              },
              {
                "blocks": [
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                "offset": [
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                "type": "minecraft:matching_blocks"
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            ],
            "type": "minecraft:any_of"
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    "tries": 8,
    "xz_spread": 1,
    "y_spread": 1
  },
  "type": "minecraft:random_patch"
}