Every subclass of Logger has to call this constructor from their constructor. It sets the LogLevel, and creates a fatal handler. The fatal handler will throw an Error if a log call is made with level LogLevel.fatal.
LogLevel to use for this Logger instance.
See Implementation
Every subclass of Logger has to call this constructor from their constructor. It sets the LogLevel, and creates a fatal handler. The fatal handler will throw an Error if a log call is made with level LogLevel.fatal.