protected override void SetSequencingPropertiesForForward(MeetingRequest meetingRequest)
        {
            int appointmentLastSequenceNumber = this.AppointmentLastSequenceNumber;
            int valueOrDefault = meetingRequest.GetValueOrDefault <int>(InternalSchema.AppointmentSequenceNumber, appointmentLastSequenceNumber);

            if (valueOrDefault < appointmentLastSequenceNumber)
            {
                meetingRequest[InternalSchema.AppointmentSequenceNumber] = appointmentLastSequenceNumber;
            }
        }