sig
type t =
Writer0.writer Writer0.Check_buffer_age'.t Core.Std.Bag.Elt.t option
val dummy : Writer0.??.t
val create :
Writer0.writer ->
maximum_age:[ `At_most of Core.Std.Time.Span.t | `Unlimited ] ->
Writer0.??.t
val destroy : Writer0.??.t -> unit
val too_old : Writer0.??.t -> unit Import.Deferred.t
end