The id (`"{namespace}/{repo_name}"`) of the repo on which
the Discussion / Pull Request was open.
repo_type (`str`):
The type of the repo on which the Discussion / Pull Request was open.
Possible values are: `"model"`, `"dataset"`, `"space"`.
author (`str`):
The username of the Discussion / Pull Request author.
Can be `"deleted"` if the user has been deleted since.
is_pull_request (`bool`):
Whether or not this is a Pull Request.
created_at (`datetime`):