move common builder handlers up in the class hierarchy to make them common.

[randytpierce]

Describe whaNow that we have several builder types it is probably a good time to make the handlers that are common to more than one builder common to all. There are a couple of ways to do this. They could be a separate module, or they could all reside higher in the class hierarchy. This is a separate task that needs a little thinking.

[github-actions]

This issue is stale because it has been open 90 days with no activity.