| /* |
| * Copyright 2025 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #import <CoreAudioTypes/CoreAudioTypes.h> |
| |
| #include <optional> |
| |
| std::optional<int64_t> AudioTimeStampGetNanoseconds( |
| const AudioTimeStamp* timeStamp); |
