def METHOD_NAME(self, user: AbstractBaseUser, course_key: CourseKey) -> str:
    """
    Get LTI roles for the user and course.
    If the user is a global staff member, return the student role.
    """
    if provider_is_zoom(course_key) and GlobalStaff().has_user(user):
        return self.ROLE_MAP.get('student')
    return super().METHOD_NAME(user, course_key)