chromium/third_party/blink/renderer/core/frame/navigator_ua.idl

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://github.com/WICG/ua-client-hints

interface mixin NavigatorUA {
  [SecureContext] readonly attribute NavigatorUAData userAgentData;
};