Holds a base rule
Adds an 'everything'-level clean-up rule. Either days or builds must be non-null. If they are both null, clean-up will not be configured.
Adds an artifacts-level clean-up rule. Either days or builds must be non-null. If they are both null, clean-up will not be configured.
Adds a history-level clean-up rule. Either days or builds must be non-null. If they are both null, clean-up will not be configured.
Adds a specified clean-up option