описание ClassId тоже найдено:

#define LOG_INFO 0x00000001
For general information

#define LOG_WARNING 0x00000002
For warnings

#define LOG_ERROR 0x00000004
For errors

#define LOG_EXCEPTION 0x00000008
For exceptions

#define LOG_DEBUG 0x00000010
Only for debug log entries

#define LOG_COM 0x00000040
For communication entries

#define LOG_INFO_TIMESTAMP_RELATIVE
0x00000080