| FormatterInterface | Interface for formatters |
| JsonFormatter | Encodes whatever record data is passed to it as json |
| JsonFormatterTest | |
| LineFormatter | Formats incoming records into a one-line string |
| LineFormatterTest | |
| TestBar | |
| TestFoo | |
| WildfireFormatter | Serializes a log message according to Wildfire's header requirements |
| WildfireFormatterTest |