S3 object to represent a typed & predefined log level.
new_log_level(name, description, severity, log_style = NULL, msg_style = NULL)name of the log level is the string representation.
description of the log level & limited info on appropriate usage.
log severity is used in determining if a message should get displayed according to the currently set evaluation threshold.
is a crayon::style() that will colorize the log level.
is a crayon::style() style that will gray scale the log message, with typically inverted strength, according to the severity.
log_level