pub unsafe extern "system" fn PTMergeAndValidatePrintTicket(
    hprovider: HPTPROVIDER,
    pbaseticket: *mut c_void,
    pdeltaticket: *mut c_void,
    scope: EPrintTicketScope,
    presultticket: *mut c_void,
    pbstrerrormessage: *mut BSTR,
) -> HRESULT