type expiration = [ ]Lifetime of the cookie after which the user agent discards it
val sexp_of_expiration : expiration -> Ppx_sexp_conv_lib.Sexp.tval expiration_of_sexp : Ppx_sexp_conv_lib.Sexp.t -> expirationval __expiration_of_sexp__ : Ppx_sexp_conv_lib.Sexp.t -> expirationmodule Set_cookie_hdr : sig ... endmodule Cookie_hdr : sig ... end