protected virtual void AddConverterMappingSub()
 {
     m_aECs.AddConversionMap
     (
         FriendlyName,
         ConverterIdentifier,
         ConversionType,
         ImplType,                    // get from sub-class
         LhsEncodingId,
         RhsEncodingId,
         (ProcessTypeFlags)ProcessType
     );
 }