| FileLogWriter | File log writer (FLW). |
| FileLogWriterExt | File log writer extension for W3C Extended log file format (FLWext). Takes care of meta-data (directives). Might be used for other purposes as well, where header data must be written one-off at the beginning of a logfile. |
| FileLogWriterHelper | Static helper class for FileLogWriter (FLW). |