sig
external call_parent : 'a -> string -> unit = "caml_js_call_parent"
val log : string -> unit
val undef : 'a
val to_class_configs : < .. > Js.t -> Ext_Class.configs Js.t
val alert : Js.js_string Js.t -> unit
val setTimeout : (unit -> unit) -> int -> unit
val get_global : string -> 'a
val set_global : string -> 'a -> unit
val test_global : string -> bool
end