```python
Contains information about a user on the Hub.

Attributes:
username (`str`):
Name of the user on the Hub (unique).
fullname (`str`):
User's full name.
avatar_url (`str`):
URL of the user's avatar.
details (`str`, *optional*):
User's details.
is_following (`bool`, *optional*):
Whether the authenticated user is following this user.
is_pro (`bool`, *optional*):
Whether the user is a pro user.
num_models (`int`, *optional*):
Number of models created by the user.
num_datasets (`int`, *optional*):
Number of datasets created by the user.
num_spaces (`int`, *optional*):
Number of spaces created by the user.
num_discussions (`int`, *optional*):
Number of discussions initiated by the user.
num_papers (`int`, *optional*):
Number of papers authored by the user.
num_upvotes (`int`, *optional*):
Number of upvotes received by the user.
num_likes (`int`, *optional*):
Number of likes given by the user.
num_following (`int`, *optional*):
Number of users this user is following.
num_followers (`int`, *optional*):
Number of users following this user.
orgs (list of [`Organization`]):
List of organizations the user is part of.
```