Builder step that wants to integrate local environment filter rules should implement this interface
Environment variables filter rule that is configured globally for all jobs.
Environment variables filter rule that is specific to a job configuration, using script-specific variables, etc.
The order of execution of the rules is determined by first their type (local before global)
and then, by default, their
, higher ordinal first, but configuration can customize the order.
Exception that occurs during the environment filtering process, with helper to track the source.