def search_followers_v1(self, user_id: str, query: str) -> List[UserShort]:
        """
        Search users by followers (Private Mobile API)

        Parameters
        ----------
        user_id: str
            User id of an instagram account
        query: str
            Query to search

        Returns
        -------
        List[UserShort]
            List of users
        """
        results = self.private_request(
            f"friendships/{user_id}/followers/",
            params={
                "search_surface": "follow_list_page",
                "query": query,
                "enable_groups": "true",
            },
        )
        users = results.get("users", [])
        return [extract_user_short(user) for user in users]

        Search users by followers (Private Mobile API)

        Parameters
        ----------
        user_id: str
            User id of an instagram account
        query: str
            Query to search

        Returns
        -------
        List[UserShort]
            List of users
        
instagrapi/mixins/user.py