{
  "config": {
    "default": {
      "feature": {
        "config": {
          "to_place": {
            "entries": [
              {
                "data": {
                  "Name": "minecraft:birch_log",
                  "Properties": {
                    "axis": "z"
                  }
                },
                "weight": 2
              },
              {
                "data": {
                  "Name": "minecraft:stripped_birch_log",
                  "Properties": {
                    "axis": "z"
                  }
                },
                "weight": 3
              },
              {
                "data": {
                  "Name": "minecraft:moss_carpet"
                },
                "weight": 3
              }
            ],
            "type": "minecraft:weighted_state_provider"
          }
        },
        "type": "minecraft:simple_block"
      },
      "placement": []
    },
    "features": [
      {
        "chance": 0.5,
        "feature": {
          "feature": {
            "config": {
              "allowed_placement": {
                "type": "minecraft:replaceable"
              },
              "direction": "up",
              "layers": [
                {
                  "height": 1,
                  "provider": {
                    "entries": [
                      {
                        "data": {
                          "Name": "minecraft:birch_log",
                          "Properties": {
                            "axis": "z"
                          }
                        },
                        "weight": 2
                      },
                      {
                        "data": {
                          "Name": "minecraft:stripped_birch_log",
                          "Properties": {
                            "axis": "z"
                          }
                        },
                        "weight": 3
                      }
                    ],
                    "type": "minecraft:weighted_state_provider"
                  }
                },
                {
                  "height": 1,
                  "provider": {
                    "state": {
                      "Name": "minecraft:moss_carpet"
                    },
                    "type": "minecraft:simple_state_provider"
                  }
                }
              ],
              "prioritize_tip": false
            },
            "type": "minecraft:block_column"
          },
          "placement": []
        }
      }
    ]
  },
  "type": "minecraft:random_selector"
}