{
  "type": "minecraft:random_patch",
  "config": {
      "tries": 32,
      "xz_spread": 5,
      "y_spread": 3,
      "feature": {
          "feature": {
              "type": "minecraft:simple_block",
              "config": {
                  "to_place": {
                      "type": "minecraft:simple_state_provider",
                      "state": {
                          "Name": "minecraft:snow",
                          "Properties": {
                              "layers": "1"
                          }
                      }
                  }
              }
          },
          "placement": [
              {
                  "type": "minecraft:block_predicate_filter",
                  "predicate": {
                      "type": "minecraft:all_of",
                      "predicates": [
                          {
                              "type": "minecraft:any_of",
                              "predicates": [
                                  {
                                      "type": "minecraft:matching_blocks",
                                      "offset": [
                                          0,
                                          -1,
                                          0
                                      ],
                                      "blocks": "minecraft:snow_block"
                                  },
                                  {
                                      "type": "minecraft:matching_block_tag",
                                      "offset": [
                                          0,
                                          -1,
                                          0
                                      ],
                                      "tag": "minecraft:base_stone_overworld"
                                  }
                              ]
                          },
                          {
                              "type": "minecraft:matching_blocks",
                              "offset": [
                                  0,
                                  0,
                                  0
                              ],
                              "blocks": "minecraft:air"
                          }
                      ]
                  }
              }
          ]
      }
  }
}
