text: // Copyright 2016 The Fuchsia Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef GARNET_BIN_MEDIA_AUDIO_CORE_FWD_DECLS_H_
  #define GARNET_BIN_MEDIA_AUDIO_CORE_FWD_DECLS_H_
  
  #include <fbl/ref_ptr.h>
  #include <memory>
  #include <set>
  
  namespace media {
  namespace audio {
  
  class AudioDeviceManager;
  class AudioCoreImpl;
  class AudioRendererFormatInfo;
  class AudioRendererImpl;
  class AudioLink;
  
  // TODO(johngro) : Remove these definitions when we move to intrusive containers
  // for managing links.
  using AudioLinkPtr = std::shared_ptr<AudioLink>;
  using AudioLinkSet = std::set<AudioLinkPtr, std::owner_less<AudioLinkPtr>>;
  
  }  // namespace audio
  }  // namespace media
  
  #endif  // GARNET_BIN_MEDIA_AUDIO_CORE_FWD_DECLS_H_
  