Automatic merge from submit-queue
API changes for Cascading deletion
This PR includes the necessary API changes to implement cascading deletion with finalizers as proposed is in #23656. Comments are welcome.
@lavalamp @derekwaynecarr @bgrant0607 @rata @hongchaodeng
Automatic merge from submit-queue
Make all defaulters public
Will allow for generating direct accessors in conversion code instead of using reflection.
@wojtek-t