examples/localized_flutter/localized_flutter_app/meta/localized_flutter_app.cmx

{
    "program": {
        "data": "data/localized_flutter_app"
    },
    "sandbox": {
        "services": [
            "fuchsia.accessibility.ToggleBroadcaster",
            "fuchsia.fonts.Provider",
            "fuchsia.sys.Environment",
            "fuchsia.ui.scenic.Scenic"
        ]
    }
}