def METHOD_NAME(self, http_context):
    """
    List all available managers.
    :param http_context: HttpContext
    :type http_context: HttpContext
    :return: List of managers, one manager per dict
    :rtype: list of dict
    """
    return [
        {
            'id': mgr.id,
            'name': mgr.name,
        } for mgr in self.managers.values()
    ]