Function sample

Returns Promise<
    Tokens<
        "base"
        | "purple"
        | "turquoise"
        | "red",
        "350" | "450" | "550" | "650",
        Default_ThemeBrightnessMode,
        readonly ["low", "average", "high", "max"],
        "default",
        never,
        never,
        never,
        never,
        never,
    >,
>