include sig ... end
val sexp_of_t : t ‑> Sexplib.Sexp.t
val compare : t ‑> t ‑> Core_kernel__.Import.int
module Span : sig ... end with type t = Core_kernel.Time_ns.Span.t
include Core_kernel__.Import.Equal.S with type t := t
val equal : t Core_kernel__.Import.Equal.equal
val epoch : t