chromium/third_party/blink/renderer/core/animation/document_animation.idl

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://w3.org/TR/web-animations-1/#extensions-to-the-document-interface

[
    ImplementedAs=DocumentAnimation
] partial interface Document {
    readonly attribute DocumentTimeline timeline;
};