-spec auth_attempt(outgoing | incoming, ok | fail, integer()) -> ok.

-spec gc_reap(node()) -> ok.

-spec gossip_received(node()) -> ok.

-spec gossip_sent(non_neg_integer()) -> ok.

-spec graft_sent(node()) -> ok.

-spec hyparview_event(term()) -> ok.

-spec ihave_sent(non_neg_integer()) -> ok.

-spec migrate_result(node(), ok | fail) -> ok.

-spec pending_timeout(node()) -> ok.

-spec proxy_cast_dropped() -> ok.

-spec prune_sent(node()) -> ok.

-spec router_request_dropped() -> ok.

-spec streams_preamble_dropped() -> ok.