method @NonNull @RequiresPermission(android.Manifest.permission.MODIFY_AUDIO_ROUTING) public static java.util.List<android.media.audiopolicy.AudioVolumeGroup> getAudioVolumeGroups();
method @RequiresPermission(anyOf={android.Manifest.permission.MODIFY_AUDIO_ROUTING, "android.permission.QUERY_AUDIO_STATE"}) public int getDeviceVolumeBehavior(@NonNull android.media.AudioDeviceAttributes);
method @NonNull @RequiresPermission(anyOf={android.Manifest.permission.MODIFY_AUDIO_ROUTING, "android.permission.QUERY_AUDIO_STATE"}) public java.util.List<android.media.AudioDeviceAttributes> getDevicesForAttributes(@NonNull android.media.AudioAttributes);
method @RequiresPermission("android.permission.QUERY_AUDIO_STATE") public int getLastAudibleStreamVolume(int);
method @IntRange(from=0) public long getMaxAdditionalOutputDeviceDelay(@NonNull android.media.AudioDeviceInfo);
method @IntRange(from=0) @RequiresPermission(android.Manifest.permission.MODIFY_AUDIO_ROUTING) public int getMaxVolumeIndexForAttributes(@NonNull android.media.AudioAttributes);
method @IntRange(from=0) @RequiresPermission(android.Manifest.permission.MODIFY_AUDIO_ROUTING) public int getMinVolumeIndexForAttributes(@NonNull android.media.AudioAttributes);