Iobuf.Lo_bound
type t = private int
val compare : t -> t -> int
val sexp_of_t : t -> Ppx_sexp_conv_lib.Sexp.t
val window : (_, _) t -> t
val limit : (_, _) t -> t
val restore : t -> (_, Iobuf__Iobuf_intf.no_seek) t -> unit