def METHOD_NAME(self, secret_data):
    system_ids_topologies = {}
    secret_config = utils.get_secret_config(secret_data)
    for system_id, system_info in secret_config.items():
        try:
            system_ids_topologies[system_id] = (system_info.get(SECRET_SUPPORTED_TOPOLOGIES_PARAMETER))
        except AttributeError:
            system_ids_topologies[system_id] = None
    return system_ids_topologies