{
    "type": "minecraft:random_selector",
    "config": {
        "default": "minecraft:spruce_checked",
        "features": [
            {
                "chance": 0.52,
                "feature": "minecraft:mega_spruce_checked"
            },
            {
                "chance": 0.15,
                "feature": "minecraft:pine_checked"
            },
            {
                "chance": 0.03,
                "feature": "minecraft:fallen_spruce_tree"
            },
            {
                "chance": 0.02,
                "feature": "minecraft:mega_pine_checked"
            }
        ]
    }
}