| 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 |