/// <summary>
        /// Compares two instances of this object.
        /// </summary>
        /// <param name="ChargeDetailRecord">An object to compare with.</param>
        public Int32 CompareTo(ChargeDetailRecord ChargeDetailRecord)
        {
            if ((Object)ChargeDetailRecord == null)
            {
                throw new ArgumentNullException(nameof(ChargeDetailRecord), "The given charge detail record must not be null!");
            }

            return(ServiceSessionId.CompareTo(ChargeDetailRecord.ServiceSessionId));
        }