val create_file : name:string -> content:string -> unit
val read_file : name:string -> string
val set_channel_output' :
Stdlib.out_channel ->
(js_string:Js.t -> unit) callback ->
unit
val mount_point : unit -> string list
val mount_autoload :
string ->
(string -> string -> string option) callback ->
unit
val unmount : string -> unit
val redirect_channel :
Stdlib.out_channel ->
into:Stdlib.out_channel ->
redirection
val restore_channel : Stdlib.out_channel -> redirection -> unit