How can I reset default global table and cell styles?

Hey all,
I am looking for the Table and Cell style equivalents of app.textDefaults or app.pageItemDefaults.

The plugin I’m building relies on some user-defined global styles. It would be nice if I could reset all selected global styles before my plugin interacts with the document.

In other words, I want to set all these global styles:

Back to their defaults like this:

You can’t do that for table and cell styles, unfortunately.