Sapphire_Mod_Forge-1.16.4/src/main/resources/pack.mcmeta

{
    "pack": {
        "description": "examplemod resources",
        "pack_format": 6,
        "_comment": "A pack_format of 6 requires json lang files and some texture changes from 1.16.2. Note: we require v6 pack meta for all mods."
    }
}