sig
type t =
Did_not_reach_eof_for of Core.Std.Time.Span.t
| Reached_eof
| Delayed_due_to_null_reads_for of Core.Std.Time.Span.t
| No_longer_delayed_due_to_null_reads
val to_string_hum : File_tail.Warning.t -> string
val sexp_of_t : File_tail.Warning.t -> Sexplib.Sexp.t
end