{
  "type": "minecraft:random_boolean_selector",
  "config": {
    "feature_false": {
      "feature": {
        "type": "minecraft:block_column",
        "config": {
          "direction": "north",
          "allowed_placement": {
            "type": "minecraft:all_of",
            "predicates": [
              {
                "type": "minecraft:matching_blocks",
                "blocks": "minecraft:air"
              },
              {
                "type": "minecraft:has_sturdy_face",
                "offset": [
                  0,
                  -1,
                  0
                ],
                "direction": "up"
              }
            ]
          },
          "prioritize_tip": true,
          "layers": [
            {
              "height": {
                "type": "minecraft:uniform",
                "value": {
                  "min_inclusive": 8,
                  "max_inclusive": 8
                }
              },
              "provider": {
                "type": "minecraft:simple_state_provider",
                "state": {
                  "Name": "minecraft:spruce_log",
                  "Properties": {
                    "axis": "z"
                  }
                }
              }
            }
          ]
        }
      },
      "placement": []
    },
    "feature_true": {
      "feature": {
        "type": "minecraft:block_column",
        "config": {
          "direction": "east",
          "allowed_placement": {
            "type": "minecraft:all_of",
            "predicates": [
              {
                "type": "minecraft:matching_blocks",
                "blocks": "minecraft:air"
              },
              {
                "type": "minecraft:has_sturdy_face",
                "offset": [
                  0,
                  -1,
                  0
                ],
                "direction": "up"
              }
            ]
          },
          "prioritize_tip": false,
          "layers": [
            {
              "height": {
                "type": "minecraft:uniform",
                "value": {
                  "min_inclusive": 5,
                  "max_inclusive": 8
                }
              },
              "provider": {
                "type": "minecraft:simple_state_provider",
                "state": {
                  "Name": "minecraft:spruce_log",
                  "Properties": {
                    "axis": "x"
                  }
                }
              }
            }
          ]
        }
      },
      "placement": []
    }
  }
}
