{
    "type": "minecraft:block",
    "pools": [
        {
            "rolls": 1,
            "entries": [
                {
                    "type": "minecraft:alternatives",
                    "children": [
                        {
                            "type": "minecraft:dynamic",
                            "name": "minecraft:contents",
                            "conditions": [
                                {
                                    "condition": "minecraft:match_tool",
                                    "predicate": {
                                        "item": "minecraft:air",
                                        "nbt": "{drop_contents:1b}"
                                    }
                                }
                            ]
                        },
                        {
                            "type": "minecraft:item",
                            "name": "minecraft:brown_shulker_box",
                            "functions": [
                                {
                                    "function": "minecraft:copy_name",
                                    "source": "block_entity"
                                },
                                {
                                    "function": "minecraft:copy_nbt",
                                    "source": "block_entity",
                                    "ops": [
                                        {
                                            "source": "Lock",
                                            "target": "BlockEntityTag.Lock",
                                            "op": "replace"
                                        },
                                        {
                                            "source": "LootTable",
                                            "target": "BlockEntityTag.LootTable",
                                            "op": "replace"
                                        },
                                        {
                                            "source": "LootTableSeed",
                                            "target": "BlockEntityTag.LootTableSeed",
                                            "op": "replace"
                                        }
                                    ]
                                },
                                {
                                    "function": "minecraft:set_contents",
                                    "entries": [
                                        {
                                            "type": "minecraft:dynamic",
                                            "name": "minecraft:contents"
                                        }
                                    ]
                                }
                            ]
                        }
                    ]
                }
            ]
        }
    ]
}
