The access token received from the authorization server in the OAuth 2.0 flow.
1 <= x <= 1000x >= 0who is undefined, the request returns queries starred by the authenticated user.who is a user ID, the request returns queries starred by the user with this ID (this request requires elevated privileges). For example, &who='abc123'.who is team, the request returns queries starred by the team apart from the authenticated user.For example, &who=team.who is all, the request returns queries starred by all users in the team, including the authenticated user. For example, &who=all.