Source/WebCore/dom/MutationObserver.idl

/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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[
    CustomIsReachable,
    LegacyWindowAlias=WebKitMutationObserver,
    JSCustomMarkFunction,
    Exposed=Window
] interface MutationObserver {
    constructor(MutationCallback callback);

    undefined observe(Node target, optional MutationObserverInit options);
    undefined disconnect();
    [ResultField=records] sequence<MutationRecord> takeRecords();
};

dictionary MutationObserverInit {
    boolean childList = false;
    boolean attributes;
    boolean characterData;
    boolean subtree = false;
    boolean attributeOldValue;
    boolean characterDataOldValue;
    sequence<[AtomString] DOMString> attributeFilter;
};