The canonical level name means, or null when it is not one.
name
null
Accepts warn for warning and fatal for critical -- the two spellings host languages differ on. An empty name is DEFAULT_LOG_LEVEL.
warn
warning
fatal
critical
The canonical level
namemeans, ornullwhen it is not one.Accepts
warnforwarningandfatalforcritical-- the two spellings host languages differ on. An empty name is DEFAULT_LOG_LEVEL.