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 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
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 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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[
    NoInterfaceObject,
    ActiveDOMObject
] interface RTCDTMFSender : EventTarget {
    readonly attribute boolean canInsertDTMF;
    readonly attribute MediaStreamTrack track;
    readonly attribute DOMString toneBuffer;
    readonly attribute long duration;
    readonly attribute long interToneGap;

    [RaisesException] void insertDTMF(DOMString tones, optional long duration, optional long interToneGap);

    attribute EventHandler ontonechange;
};