Function set_config_on_rpcsuperuser 

pub(super) async fn set_config_on_rpcsuperuser<R: Runtime>(
    session: Arc<RpcSuperuser<R>>,
    method: Box<SetConfig>,
    _ctx: Arc<dyn Context>,
) -> Result<Nil, RpcError>

RPC method implementation: invoke arti:set_config on a superuser session.