This is useful for when runner is bundled with gitlab, like in a kubernetes stack, and we want the runner to be able to
register with gitlab as soon as they both come up.
This enables following cops:
Check for useless access modifiers
Lint/UselessAccessModifier
Checks for attempts to use `private` or `protected` to set the
visibility of a class method, which does not work.
Lint/IneffectiveAccessModifier
This also disables two false possitives in concerns.
This adds a ability to use multiple different authentication token
fields in other models. From now on it is necessary to add
authentication token field manually in each class that implements this
mixin.
DJ Mountney