NullDriver is used to avoid exceptions when logger you are trying to use is not available.
It acts as if everything went fine and no exceptions will be throw, but nothing is logged.

Type hierarchy

redweb-tn/codeigniter4 dev-master 4.0
resque/yii2-resque dev-master
rkr/amazon-pay-sdk-php 2.x-dev
struggle-for-php/sfp-psalm-psr-log-plugin dev-master 0.2.0
zire/psr-log dev-master 1.1.4

Class usage:

This class is used in:
Class Package
webiny/logger 1.6.x-dev