{
    "type": "minecraft:vegetation_patch",
    "config": {
      "surface": "floor",
      "depth": {
        "type": "minecraft:uniform",
        "value": {
          "min_inclusive": 1,
          "max_inclusive": 8
        }
      },
      "vertical_range": 1,
      "extra_bottom_block_chance": 0.5,
      "extra_edge_column_chance": 0.5,
      "vegetation_chance": 0.33,
      "xz_radius": {
        "type": "minecraft:uniform",
        "value": {
          "min_inclusive": 5,
          "max_inclusive": 10
        }
      },
      "replaceable": "#minecraft:base_stone_overworld",
      "ground_state": {
        "type": "minecraft:weighted_state_provider",
        "entries": [
          {
            "weight": 2,
            "data": {
              "Name": "minecraft:blackstone"
            }
          },
          {
            "weight": 1,
            "data": {
              "Name": "minecraft:deepslate",
              "Properties": {
                "axis": "y"
              }
            }
          }
        ]
      },
      "vegetation_feature": {
        "feature": {
          "type": "minecraft:simple_block",
          "config": {
            "to_place": {
              "type": "minecraft:weighted_state_provider",
              "entries": [
                {
                  "weight": 2,
                  "data": {
                    "Name": "minecraft:blackstone_slab",
                    "Properties": {
                      "waterlogged": "false",
                      "type": "bottom"
                    }
                  }
                },
                {
                  "weight": 3,
                  "data": {
                    "Name": "minecraft:light",
                    "Properties": {
                      "waterlogged": "false",
                      "level": "7"
                    }
                  }
                }
              ]
            }
          }
        },
        "placement": []
      }
    }
  }
  