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Automatically update or change block identifiers

Currently, there is no way to easily update or change block identifiers in add-ons. For example, If I created a block called 'custom:old_name' then after playing around you decide that you want to change the identifier to something else like 'custom:new_name'. This would cause issues as you are removing a block in that world. This will replace the old identifier and replace it with the new one. This doesn't only have to be for blocks, It can also be for items and biomes. This file could be simply be called 'updater.json' that's located directly inside the behavior pack.

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    Here is an idea of how the json could be formatted.
    {
         "format_version": "<Implemented-Version>",
        "minecraft:updater": {
            "minecraft:blocks": {
                "minecraft:stone_stairs": { // old ID
                    "identifier": "custom:stone_stairs", // new ID
                    "properties": {
                        "minecraft:weirdo_direction": { // old property
                            "property": "custom:direction", // new property
                            "values": [
                                {
                                    "current": 0, // old value
                                    "updated": "'north'" // new value
                                },
                                {
                                    "current": 1,
                                    "updated": "'south'"
                                },
                                {
                                    "current": 2,
                                    "updated": "'west'"
                                },
                                {
                                    "current": 3,
                                    "updated": "'east'"
                                }
                            ]
                        }
                    }
                }
            },
            "minecraft:items": {
                "minecraft:paper": {
                    "identifier": "custom:paper"
                }
            },
            "minecraft:biomes": {
                "minecraft:plains": {
                    "identifier": "custom:plains"
                }
            }
        }
    }