Class type `MutationObserver.mutationObserver`

method observe : Js_of_ocaml__.Dom.node Js_of_ocaml__.Js.t ->
  mutationObserverInit Js_of_ocaml__.Js.t ->
  unit Js_of_ocaml__.Js.meth

method disconnect : unit Js_of_ocaml__.Js.meth

method takeRecords : mutationRecord Js_of_ocaml__.Js.t
                       Js_of_ocaml__.Js.js_array
                       Js_of_ocaml__.Js.t
                       Js_of_ocaml__.Js.meth