/usr/share/cups/ppd-updaters/printer-driver-brlaser.ppd-updater is in printer-driver-brlaser 3-3build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | DRIVER_REGEXP='^drv:///brlaser.drv/'
GENNICKNAME_REGEXP=''
|