`method append : Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t -> Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t -> unit Js_of_ocaml__.Js.meth`
`method delete : Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t -> unit Js_of_ocaml__.Js.meth`
`method get : Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t -> Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t Js_of_ocaml__.Js.opt Js_of_ocaml__.Js.meth`
`method has : Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t -> bool Js_of_ocaml__.Js.t Js_of_ocaml__.Js.meth`
`method set : Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t -> Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t -> unit Js_of_ocaml__.Js.meth`
`method forEach : (Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t -> Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t -> headers Js_of_ocaml__.Js.t -> unit) Js_of_ocaml__.Js.callback -> unit Js_of_ocaml__.Js.meth`