pub unsafe extern "system" fn SLDepositOfflineConfirmationIdEx(
    hslc: *const c_void,
    pproductskuid: *const GUID,
    pactivationinfo: *const SL_ACTIVATION_INFO_HEADER,
    pwszinstallationid: PCWSTR,
    pwszconfirmationid: PCWSTR,
) -> HRESULT