Class type `MutationObserver.mutationObserverInit`

method childList : bool Js.writeonly_prop
method attributes : bool Js.writeonly_prop
method characterData : bool Js.writeonly_prop
method subtree : bool Js.writeonly_prop
method attributeOldValue : bool Js.writeonly_prop
method characterDataOldValue : bool Js.writeonly_prop
method attributeFilter : Js.js_string Js.t Js.js_array Js.t Js.writeonly_prop