Is it possible to pass two trainables to tune.Tuner?

How severe does this issue affect your experience of using Ray?

  • High: It blocks me to complete my task.

I want to implement Population Based Training with two different custom agents I wrote.
Is it possible to pass the two different trainables to the ray.tune.Tuner class at once?
I found these two examples:

However, it is not really clear to me if its possible to rewrite one of them using my custom implementations and pbt, not multi-agent learning.

Kind regards