Lwt_sink.Sync_to_lwtConvert a sync sink to an Lwt sink
module S : Message_templates.Sink.Stype t = S.tval emit : t -> Message_templates.Log_event.t -> unit Lwt.tEmit a log event to the sink
val flush : t -> unit Lwt.tFlush any buffered output
val close : t -> unit Lwt.tClose the sink and release resources