Struct to hold severity levels when logging.
Constants
<p>Alert: action must be taken immediately</p>
ALERT : string
<p>Critical: critical conditions</p>
CRIT : string
<p>Debug: debug messages</p>
DEBUG : string
<p>Emergency: system is unstable</p>
EMERG : string
<p>Error: error conditions</p>
ERR : string
<p>Informational: informational messages</p>
INFO : string
<p>Notice: normal but significant condition</p>
NOTICE : string
<p>Quiet: disables logging</p>
QUIET : string
<p>Warning: warning conditions</p>
WARN : string