fz-survival-datapack/data/fz/predicates/not_real_player.json

{
    "condition": "minecraft:alternative",
    "terms": [
        {
            "condition": "minecraft:reference",
            "name": "fz:is_fake_player"
        },
        {
            "condition": "minecraft:reference",
            "name": "fz:is_shadow_player"
        }
    ]
}