chromium/third_party/blink/renderer/core/timing/layout_shift_attribution.idl

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://wicg.github.io/layout-instability/#sec-layout-shift-attribution
[Exposed=Window]
interface LayoutShiftAttribution {
    readonly attribute Node? node;
    readonly attribute DOMRectReadOnly previousRect;
    readonly attribute DOMRectReadOnly currentRect;

    [CallWith=ScriptState, ImplementedAs=toJSONForBinding] object toJSON();
};