* Mapping a legacy level to the PSR-3 compliant levels
* @see https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md#5-psrlogloglevel
*
* Mapping a legacy level to the PSR-3 compliant levels
* @see https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md#5-psrlogloglevel
*