def METHOD_NAME(group: str) -> Setting[bool]:
    group_opt_in_setting_name = f"PREFECT_EXPERIMENTAL_ENABLE_{group.upper()}"
    group_opt_in = SETTING_VARIABLES.get(group_opt_in_setting_name)
    if group_opt_in is None:
        raise ValueError(
            f"A opt-in setting for experimental feature {group!r} does not exist yet. "
            f"{group_opt_in_setting_name!r} must be created before the group can be "
            "used."
        )
    return group_opt_in