#import #import [Exposed=Window] interface MutationRecord { readonly attribute DOMString type; [SameObject] readonly attribute Node target; [SameObject] readonly attribute NodeList addedNodes; [SameObject] readonly attribute NodeList removedNodes; readonly attribute Node? previousSibling; readonly attribute Node? nextSibling; readonly attribute DOMString? attributeName; readonly attribute DOMString? attributeNamespace; readonly attribute DOMString? oldValue; };