Specify a parent profile when creating a TCP_Profile in AS3

It doesn't look like it. You'll just need to define all the parameters as you need them in the AS3 declaration. You should consider testing TCP progressive as a new profile. Here's an article on the change.

https://devcentral.f5.com/s/articles/f5-unveils-new-built-in-tcp-profiles-25175

When using AS3 and you don't define a TCP profile, tcp-progressive is used by default