sig
val set_channel_flusher :
Pervasives.out_channel -> (string -> unit) -> unit
val register_file : name:string -> content:string -> unit
val register_autoload :
path:string -> (string * string -> string option) -> unit
external file_content : string -> string = "caml_fs_file_content"
val js_of_ocaml_version : string
end