CoerceTo (js_of_ocaml-lwt.Js_of_ocaml

val document : 
  file_any ->
  Js_of_ocaml.Dom.element Js_of_ocaml.Dom.document Js_of_ocaml.Js.t
    Js_of_ocaml.Js.Opt.t

val blob : file_any -> blob Js_of_ocaml.Js.t Js_of_ocaml.Js.Opt.t

val json : file_any -> 'a Js_of_ocaml.Js.Opt.t

val string : 
  file_any ->
  Js_of_ocaml.Js.js_string Js_of_ocaml.Js.t Js_of_ocaml.Js.Opt.t

val arrayBuffer : 
  file_any ->
  Js_of_ocaml.Typed_array.arrayBuffer Js_of_ocaml.Js.t Js_of_ocaml.Js.Opt.t