diff --git a/audio/7.0/config/api/current.txt b/audio/7.0/config/api/current.txt
index 453ed16..fea6979 100644
--- a/audio/7.0/config/api/current.txt
+++ b/audio/7.0/config/api/current.txt
@@ -1,571 +1,571 @@
 // Signature format: 2.0
-package audio.policy.configuration.V7_0 {
+package android.audio.policy.configuration.V7_0 {
 
   public class AttachedDevices {
     ctor public AttachedDevices();
-    method public java.util.List<java.lang.String> getItem();
+    method @Nullable public java.util.List<java.lang.String> getItem();
   }
 
   public enum AudioChannelMask {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_1;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_10;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_11;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_12;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_13;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_14;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_15;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_16;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_17;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_18;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_19;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_20;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_21;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_22;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_23;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_24;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_3;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_4;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_5;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_6;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_7;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_8;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_9;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_2POINT0POINT2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_2POINT1POINT2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_3POINT0POINT2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_3POINT1POINT2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_5POINT1;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_6;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_FRONT_BACK;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_MONO;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_STEREO;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_VOICE_CALL_MONO;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_VOICE_DNLINK_MONO;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_VOICE_UPLINK_MONO;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_NONE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_2POINT0POINT2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_2POINT1;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_2POINT1POINT2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_3POINT0POINT2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_3POINT1;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_3POINT1POINT2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1POINT2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1POINT4;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1_BACK;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1_SIDE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_6POINT1;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_7POINT1;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_7POINT1POINT2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_7POINT1POINT4;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_HAPTIC_AB;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_MONO;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_MONO_HAPTIC_A;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_MONO_HAPTIC_AB;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_PENTA;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_QUAD;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_QUAD_BACK;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_QUAD_SIDE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_STEREO;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_STEREO_HAPTIC_A;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_STEREO_HAPTIC_AB;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_SURROUND;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_TRI;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_TRI_BACK;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_1;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_10;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_11;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_12;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_13;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_14;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_15;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_16;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_17;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_18;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_19;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_20;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_21;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_22;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_23;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_24;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_3;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_4;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_5;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_6;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_7;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_8;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_9;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_2POINT0POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_2POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_3POINT0POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_3POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_5POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_6;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_FRONT_BACK;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_STEREO;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_VOICE_CALL_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_VOICE_DNLINK_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_IN_VOICE_UPLINK_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_NONE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_2POINT0POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_2POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_2POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_3POINT0POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_3POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_3POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1POINT4;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1_BACK;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1_SIDE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_6POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_7POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_7POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_7POINT1POINT4;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_HAPTIC_AB;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_MONO_HAPTIC_A;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_MONO_HAPTIC_AB;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_PENTA;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_QUAD;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_QUAD_BACK;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_QUAD_SIDE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_STEREO;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_STEREO_HAPTIC_A;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_STEREO_HAPTIC_AB;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_SURROUND;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_TRI;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioChannelMask AUDIO_CHANNEL_OUT_TRI_BACK;
   }
 
   public enum AudioContentType {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.AudioContentType AUDIO_CONTENT_TYPE_MOVIE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioContentType AUDIO_CONTENT_TYPE_MUSIC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioContentType AUDIO_CONTENT_TYPE_SONIFICATION;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioContentType AUDIO_CONTENT_TYPE_SPEECH;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioContentType AUDIO_CONTENT_TYPE_UNKNOWN;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioContentType AUDIO_CONTENT_TYPE_MOVIE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioContentType AUDIO_CONTENT_TYPE_MUSIC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioContentType AUDIO_CONTENT_TYPE_SONIFICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioContentType AUDIO_CONTENT_TYPE_SPEECH;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioContentType AUDIO_CONTENT_TYPE_UNKNOWN;
   }
 
   public enum AudioDevice {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_AMBIENT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_AUX_DIGITAL;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BACK_MIC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BLE_HEADSET;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_A2DP;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_BLE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BUILTIN_MIC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BUS;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_COMMUNICATION;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_DEFAULT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_ECHO_REFERENCE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_FM_TUNER;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_HDMI;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_HDMI_ARC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_IP;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_LINE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_LOOPBACK;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_PROXY;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_REMOTE_SUBMIX;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_SPDIF;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_STUB;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_TELEPHONY_RX;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_TV_TUNER;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_USB_ACCESSORY;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_USB_DEVICE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_USB_HEADSET;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_VOICE_CALL;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_WIRED_HEADSET;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_NONE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_AUX_DIGITAL;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_AUX_LINE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLE_HEADSET;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLE_SPEAKER;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BUS;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_DEFAULT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_EARPIECE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_ECHO_CANCELLER;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_FM;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_HDMI;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_HDMI_ARC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_HEARING_AID;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_IP;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_LINE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_PROXY;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_SPDIF;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_SPEAKER;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_SPEAKER_SAFE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_STUB;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_TELEPHONY_TX;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_USB_ACCESSORY;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_USB_DEVICE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_USB_HEADSET;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_WIRED_HEADSET;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_AMBIENT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_AUX_DIGITAL;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BACK_MIC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BLE_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_A2DP;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_BLE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BUILTIN_MIC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_BUS;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_COMMUNICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_DEFAULT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_ECHO_REFERENCE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_FM_TUNER;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_HDMI;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_HDMI_ARC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_IP;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_LINE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_LOOPBACK;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_PROXY;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_REMOTE_SUBMIX;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_SPDIF;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_STUB;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_TELEPHONY_RX;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_TV_TUNER;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_USB_ACCESSORY;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_USB_DEVICE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_USB_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_VOICE_CALL;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_IN_WIRED_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_NONE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_AUX_DIGITAL;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_AUX_LINE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLE_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLE_SPEAKER;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_BUS;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_DEFAULT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_EARPIECE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_ECHO_CANCELLER;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_FM;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_HDMI;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_HDMI_ARC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_HEARING_AID;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_IP;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_LINE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_PROXY;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_SPDIF;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_SPEAKER;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_SPEAKER_SAFE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_STUB;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_TELEPHONY_TX;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_USB_ACCESSORY;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_USB_DEVICE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_USB_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioDevice AUDIO_DEVICE_OUT_WIRED_HEADSET;
   }
 
   public enum AudioFormat {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADIF;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_ELD;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_ERLC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_HE_V1;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_HE_V2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_LC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_LD;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_LTP;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_MAIN;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_SCALABLE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_SSR;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_XHE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ELD;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ERLC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_HE_V1;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_HE_V2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LATM;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LATM_HE_V1;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LATM_HE_V2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LATM_LC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LD;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LTP;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_MAIN;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_SCALABLE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_SSR;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_XHE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AC3;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AC4;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_ALAC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AMR_NB;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AMR_WB;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AMR_WB_PLUS;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_APE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_APTX;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_APTX_ADAPTIVE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_APTX_HD;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_APTX_TWSP;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_CELT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_DOLBY_TRUEHD;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_DSD;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_DTS;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_DTS_HD;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_EVRC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_EVRCB;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_EVRCNW;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_EVRCWB;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_E_AC3;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_E_AC3_JOC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_FLAC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_HE_AAC_V1;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_HE_AAC_V2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_IEC61937;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_LC3;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_LDAC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_LHDC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_LHDC_LL;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MAT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MAT_1_0;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MAT_2_0;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MAT_2_1;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MP2;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MP3;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_OPUS;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_16_BIT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_24_BIT_PACKED;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_32_BIT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_8_24_BIT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_8_BIT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_FLOAT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_QCELP;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_SBC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_VORBIS;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_WMA;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_WMA_PRO;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADIF;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_ELD;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_ERLC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_HE_V1;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_HE_V2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_LC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_LD;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_LTP;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_MAIN;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_SCALABLE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_SSR;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ADTS_XHE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ELD;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_ERLC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_HE_V1;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_HE_V2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LATM;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LATM_HE_V1;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LATM_HE_V2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LATM_LC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LD;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_LTP;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_MAIN;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_SCALABLE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_SSR;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AAC_XHE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AC3;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AC4;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_ALAC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AMR_NB;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AMR_WB;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_AMR_WB_PLUS;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_APE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_APTX;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_APTX_ADAPTIVE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_APTX_HD;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_APTX_TWSP;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_CELT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_DOLBY_TRUEHD;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_DSD;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_DTS;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_DTS_HD;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_EVRC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_EVRCB;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_EVRCNW;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_EVRCWB;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_E_AC3;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_E_AC3_JOC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_FLAC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_HE_AAC_V1;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_HE_AAC_V2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_IEC61937;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_LC3;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_LDAC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_LHDC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_LHDC_LL;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MAT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MAT_1_0;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MAT_2_0;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MAT_2_1;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MP2;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MP3;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_OPUS;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_16_BIT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_24_BIT_PACKED;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_32_BIT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_8_24_BIT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_8_BIT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_FLOAT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_QCELP;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_SBC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_VORBIS;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_WMA;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_WMA_PRO;
   }
 
   public enum AudioGainMode {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.AudioGainMode AUDIO_GAIN_MODE_CHANNELS;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioGainMode AUDIO_GAIN_MODE_JOINT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioGainMode AUDIO_GAIN_MODE_RAMP;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioGainMode AUDIO_GAIN_MODE_CHANNELS;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioGainMode AUDIO_GAIN_MODE_JOINT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioGainMode AUDIO_GAIN_MODE_RAMP;
   }
 
   public enum AudioInOutFlag {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_DIRECT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_FAST;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_HW_AV_SYNC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_HW_HOTWORD;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_MMAP_NOIRQ;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_NONE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_RAW;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_SYNC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_VOIP_TX;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_DIRECT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_DIRECT_PCM;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_FAST;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_HW_AV_SYNC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_INCALL_MUSIC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_MMAP_NOIRQ;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_NONE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_NON_BLOCKING;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_PRIMARY;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_RAW;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_SYNC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_TTS;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_VOIP_RX;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_DIRECT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_FAST;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_HW_AV_SYNC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_HW_HOTWORD;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_MMAP_NOIRQ;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_NONE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_RAW;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_SYNC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_VOIP_TX;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_DIRECT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_DIRECT_PCM;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_FAST;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_HW_AV_SYNC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_INCALL_MUSIC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_MMAP_NOIRQ;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_NONE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_NON_BLOCKING;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_PRIMARY;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_RAW;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_SYNC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_TTS;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_VOIP_RX;
   }
 
   public class AudioPolicyConfiguration {
     ctor public AudioPolicyConfiguration();
-    method public audio.policy.configuration.V7_0.GlobalConfiguration getGlobalConfiguration();
-    method public java.util.List<audio.policy.configuration.V7_0.Modules> getModules();
-    method public audio.policy.configuration.V7_0.SurroundSound getSurroundSound();
-    method public audio.policy.configuration.V7_0.Version getVersion();
-    method public java.util.List<audio.policy.configuration.V7_0.Volumes> getVolumes();
-    method public void setGlobalConfiguration(audio.policy.configuration.V7_0.GlobalConfiguration);
-    method public void setSurroundSound(audio.policy.configuration.V7_0.SurroundSound);
-    method public void setVersion(audio.policy.configuration.V7_0.Version);
+    method @Nullable public android.audio.policy.configuration.V7_0.GlobalConfiguration getGlobalConfiguration();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.Modules> getModules();
+    method @Nullable public android.audio.policy.configuration.V7_0.SurroundSound getSurroundSound();
+    method @Nullable public android.audio.policy.configuration.V7_0.Version getVersion();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.Volumes> getVolumes();
+    method public void setGlobalConfiguration(@Nullable android.audio.policy.configuration.V7_0.GlobalConfiguration);
+    method public void setSurroundSound(@Nullable android.audio.policy.configuration.V7_0.SurroundSound);
+    method public void setVersion(@Nullable android.audio.policy.configuration.V7_0.Version);
   }
 
   public enum AudioSource {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_CAMCORDER;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_DEFAULT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_ECHO_REFERENCE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_FM_TUNER;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_HOTWORD;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_MIC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_REMOTE_SUBMIX;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_UNPROCESSED;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_VOICE_CALL;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_VOICE_COMMUNICATION;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_VOICE_DOWNLINK;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_VOICE_PERFORMANCE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_VOICE_RECOGNITION;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_VOICE_UPLINK;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_CAMCORDER;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_DEFAULT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_ECHO_REFERENCE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_FM_TUNER;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_HOTWORD;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_MIC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_REMOTE_SUBMIX;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_UNPROCESSED;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_VOICE_CALL;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_VOICE_COMMUNICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_VOICE_DOWNLINK;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_VOICE_PERFORMANCE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_VOICE_RECOGNITION;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioSource AUDIO_SOURCE_VOICE_UPLINK;
   }
 
   public enum AudioStreamType {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_ACCESSIBILITY;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_ALARM;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_ASSISTANT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_BLUETOOTH_SCO;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_CALL_ASSISTANT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_DTMF;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_ENFORCED_AUDIBLE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_MUSIC;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_NOTIFICATION;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_PATCH;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_REROUTING;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_RING;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_SYSTEM;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_TTS;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_VOICE_CALL;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_ACCESSIBILITY;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_ALARM;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_ASSISTANT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_BLUETOOTH_SCO;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_CALL_ASSISTANT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_DTMF;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_ENFORCED_AUDIBLE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_MUSIC;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_NOTIFICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_PATCH;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_REROUTING;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_RING;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_SYSTEM;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_TTS;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioStreamType AUDIO_STREAM_VOICE_CALL;
   }
 
   public enum AudioUsage {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_ALARM;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_ANNOUNCEMENT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_ASSISTANCE_SONIFICATION;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_ASSISTANT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_CALL_ASSISTANT;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_EMERGENCY;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_GAME;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_MEDIA;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_NOTIFICATION;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_SAFETY;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_UNKNOWN;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_VEHICLE_STATUS;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_VIRTUAL_SOURCE;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_VOICE_COMMUNICATION;
-    enum_constant public static final audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_ALARM;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_ANNOUNCEMENT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_ASSISTANCE_SONIFICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_ASSISTANT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_CALL_ASSISTANT;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_EMERGENCY;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_GAME;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_MEDIA;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_NOTIFICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_SAFETY;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_UNKNOWN;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_VEHICLE_STATUS;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_VIRTUAL_SOURCE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_VOICE_COMMUNICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioUsage AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING;
   }
 
   public enum DeviceCategory {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.DeviceCategory DEVICE_CATEGORY_EARPIECE;
-    enum_constant public static final audio.policy.configuration.V7_0.DeviceCategory DEVICE_CATEGORY_EXT_MEDIA;
-    enum_constant public static final audio.policy.configuration.V7_0.DeviceCategory DEVICE_CATEGORY_HEADSET;
-    enum_constant public static final audio.policy.configuration.V7_0.DeviceCategory DEVICE_CATEGORY_HEARING_AID;
-    enum_constant public static final audio.policy.configuration.V7_0.DeviceCategory DEVICE_CATEGORY_SPEAKER;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.DeviceCategory DEVICE_CATEGORY_EARPIECE;
+    enum_constant public static final android.audio.policy.configuration.V7_0.DeviceCategory DEVICE_CATEGORY_EXT_MEDIA;
+    enum_constant public static final android.audio.policy.configuration.V7_0.DeviceCategory DEVICE_CATEGORY_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_0.DeviceCategory DEVICE_CATEGORY_HEARING_AID;
+    enum_constant public static final android.audio.policy.configuration.V7_0.DeviceCategory DEVICE_CATEGORY_SPEAKER;
   }
 
   public class DevicePorts {
     ctor public DevicePorts();
-    method public java.util.List<audio.policy.configuration.V7_0.DevicePorts.DevicePort> getDevicePort();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.DevicePorts.DevicePort> getDevicePort();
   }
 
   public static class DevicePorts.DevicePort {
     ctor public DevicePorts.DevicePort();
-    method public String getAddress();
-    method public java.util.List<audio.policy.configuration.V7_0.AudioFormat> getEncodedFormats();
-    method public audio.policy.configuration.V7_0.Gains getGains();
-    method public java.util.List<audio.policy.configuration.V7_0.Profile> getProfile();
-    method public audio.policy.configuration.V7_0.Role getRole();
-    method public String getTagName();
-    method public String getType();
-    method public boolean get_default();
-    method public void setAddress(String);
-    method public void setEncodedFormats(java.util.List<audio.policy.configuration.V7_0.AudioFormat>);
-    method public void setGains(audio.policy.configuration.V7_0.Gains);
-    method public void setRole(audio.policy.configuration.V7_0.Role);
-    method public void setTagName(String);
-    method public void setType(String);
-    method public void set_default(boolean);
+    method @Nullable public String getAddress();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.AudioFormat> getEncodedFormats();
+    method @Nullable public android.audio.policy.configuration.V7_0.Gains getGains();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.Profile> getProfile();
+    method @Nullable public android.audio.policy.configuration.V7_0.Role getRole();
+    method @Nullable public String getTagName();
+    method @Nullable public String getType();
+    method @Nullable public boolean get_default();
+    method public void setAddress(@Nullable String);
+    method public void setEncodedFormats(@Nullable java.util.List<android.audio.policy.configuration.V7_0.AudioFormat>);
+    method public void setGains(@Nullable android.audio.policy.configuration.V7_0.Gains);
+    method public void setRole(@Nullable android.audio.policy.configuration.V7_0.Role);
+    method public void setTagName(@Nullable String);
+    method public void setType(@Nullable String);
+    method public void set_default(@Nullable boolean);
   }
 
   public enum EngineSuffix {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.EngineSuffix _default;
-    enum_constant public static final audio.policy.configuration.V7_0.EngineSuffix configurable;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.EngineSuffix _default;
+    enum_constant public static final android.audio.policy.configuration.V7_0.EngineSuffix configurable;
   }
 
   public class Gains {
     ctor public Gains();
-    method public java.util.List<audio.policy.configuration.V7_0.Gains.Gain> getGain();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.Gains.Gain> getGain();
   }
 
   public static class Gains.Gain {
     ctor public Gains.Gain();
-    method public audio.policy.configuration.V7_0.AudioChannelMask getChannel_mask();
-    method public int getDefaultValueMB();
-    method public int getMaxRampMs();
-    method public int getMaxValueMB();
-    method public int getMinRampMs();
-    method public int getMinValueMB();
-    method public java.util.List<audio.policy.configuration.V7_0.AudioGainMode> getMode();
-    method public String getName();
-    method public int getStepValueMB();
-    method public boolean getUseForVolume();
-    method public void setChannel_mask(audio.policy.configuration.V7_0.AudioChannelMask);
-    method public void setDefaultValueMB(int);
-    method public void setMaxRampMs(int);
-    method public void setMaxValueMB(int);
-    method public void setMinRampMs(int);
-    method public void setMinValueMB(int);
-    method public void setMode(java.util.List<audio.policy.configuration.V7_0.AudioGainMode>);
-    method public void setName(String);
-    method public void setStepValueMB(int);
-    method public void setUseForVolume(boolean);
+    method @Nullable public android.audio.policy.configuration.V7_0.AudioChannelMask getChannel_mask();
+    method @Nullable public int getDefaultValueMB();
+    method @Nullable public int getMaxRampMs();
+    method @Nullable public int getMaxValueMB();
+    method @Nullable public int getMinRampMs();
+    method @Nullable public int getMinValueMB();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.AudioGainMode> getMode();
+    method @Nullable public String getName();
+    method @Nullable public int getStepValueMB();
+    method @Nullable public boolean getUseForVolume();
+    method public void setChannel_mask(@Nullable android.audio.policy.configuration.V7_0.AudioChannelMask);
+    method public void setDefaultValueMB(@Nullable int);
+    method public void setMaxRampMs(@Nullable int);
+    method public void setMaxValueMB(@Nullable int);
+    method public void setMinRampMs(@Nullable int);
+    method public void setMinValueMB(@Nullable int);
+    method public void setMode(@Nullable java.util.List<android.audio.policy.configuration.V7_0.AudioGainMode>);
+    method public void setName(@Nullable String);
+    method public void setStepValueMB(@Nullable int);
+    method public void setUseForVolume(@Nullable boolean);
   }
 
   public class GlobalConfiguration {
     ctor public GlobalConfiguration();
-    method public boolean getCall_screen_mode_supported();
-    method public audio.policy.configuration.V7_0.EngineSuffix getEngine_library();
-    method public boolean getSpeaker_drc_enabled();
-    method public void setCall_screen_mode_supported(boolean);
-    method public void setEngine_library(audio.policy.configuration.V7_0.EngineSuffix);
-    method public void setSpeaker_drc_enabled(boolean);
+    method @Nullable public boolean getCall_screen_mode_supported();
+    method @Nullable public android.audio.policy.configuration.V7_0.EngineSuffix getEngine_library();
+    method @Nullable public boolean getSpeaker_drc_enabled();
+    method public void setCall_screen_mode_supported(@Nullable boolean);
+    method public void setEngine_library(@Nullable android.audio.policy.configuration.V7_0.EngineSuffix);
+    method public void setSpeaker_drc_enabled(@Nullable boolean);
   }
 
   public enum HalVersion {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.HalVersion _2_0;
-    enum_constant public static final audio.policy.configuration.V7_0.HalVersion _3_0;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.HalVersion _2_0;
+    enum_constant public static final android.audio.policy.configuration.V7_0.HalVersion _3_0;
   }
 
   public class MixPorts {
     ctor public MixPorts();
-    method public java.util.List<audio.policy.configuration.V7_0.MixPorts.MixPort> getMixPort();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.MixPorts.MixPort> getMixPort();
   }
 
   public static class MixPorts.MixPort {
     ctor public MixPorts.MixPort();
-    method public java.util.List<audio.policy.configuration.V7_0.AudioInOutFlag> getFlags();
-    method public audio.policy.configuration.V7_0.Gains getGains();
-    method public long getMaxActiveCount();
-    method public long getMaxOpenCount();
-    method public String getName();
-    method public java.util.List<audio.policy.configuration.V7_0.AudioUsage> getPreferredUsage();
-    method public java.util.List<audio.policy.configuration.V7_0.Profile> getProfile();
-    method public audio.policy.configuration.V7_0.Role getRole();
-    method public void setFlags(java.util.List<audio.policy.configuration.V7_0.AudioInOutFlag>);
-    method public void setGains(audio.policy.configuration.V7_0.Gains);
-    method public void setMaxActiveCount(long);
-    method public void setMaxOpenCount(long);
-    method public void setName(String);
-    method public void setPreferredUsage(java.util.List<audio.policy.configuration.V7_0.AudioUsage>);
-    method public void setRole(audio.policy.configuration.V7_0.Role);
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.AudioInOutFlag> getFlags();
+    method @Nullable public android.audio.policy.configuration.V7_0.Gains getGains();
+    method @Nullable public long getMaxActiveCount();
+    method @Nullable public long getMaxOpenCount();
+    method @Nullable public String getName();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.AudioUsage> getPreferredUsage();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.Profile> getProfile();
+    method @Nullable public android.audio.policy.configuration.V7_0.Role getRole();
+    method public void setFlags(@Nullable java.util.List<android.audio.policy.configuration.V7_0.AudioInOutFlag>);
+    method public void setGains(@Nullable android.audio.policy.configuration.V7_0.Gains);
+    method public void setMaxActiveCount(@Nullable long);
+    method public void setMaxOpenCount(@Nullable long);
+    method public void setName(@Nullable String);
+    method public void setPreferredUsage(@Nullable java.util.List<android.audio.policy.configuration.V7_0.AudioUsage>);
+    method public void setRole(@Nullable android.audio.policy.configuration.V7_0.Role);
   }
 
   public enum MixType {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.MixType mix;
-    enum_constant public static final audio.policy.configuration.V7_0.MixType mux;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.MixType mix;
+    enum_constant public static final android.audio.policy.configuration.V7_0.MixType mux;
   }
 
   public class Modules {
     ctor public Modules();
-    method public java.util.List<audio.policy.configuration.V7_0.Modules.Module> getModule();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.Modules.Module> getModule();
   }
 
   public static class Modules.Module {
     ctor public Modules.Module();
-    method public audio.policy.configuration.V7_0.AttachedDevices getAttachedDevices();
-    method public String getDefaultOutputDevice();
-    method public audio.policy.configuration.V7_0.DevicePorts getDevicePorts();
-    method public audio.policy.configuration.V7_0.HalVersion getHalVersion();
-    method public audio.policy.configuration.V7_0.MixPorts getMixPorts();
-    method public String getName();
-    method public audio.policy.configuration.V7_0.Routes getRoutes();
-    method public void setAttachedDevices(audio.policy.configuration.V7_0.AttachedDevices);
-    method public void setDefaultOutputDevice(String);
-    method public void setDevicePorts(audio.policy.configuration.V7_0.DevicePorts);
-    method public void setHalVersion(audio.policy.configuration.V7_0.HalVersion);
-    method public void setMixPorts(audio.policy.configuration.V7_0.MixPorts);
-    method public void setName(String);
-    method public void setRoutes(audio.policy.configuration.V7_0.Routes);
+    method @Nullable public android.audio.policy.configuration.V7_0.AttachedDevices getAttachedDevices();
+    method @Nullable public String getDefaultOutputDevice();
+    method @Nullable public android.audio.policy.configuration.V7_0.DevicePorts getDevicePorts();
+    method @Nullable public android.audio.policy.configuration.V7_0.HalVersion getHalVersion();
+    method @Nullable public android.audio.policy.configuration.V7_0.MixPorts getMixPorts();
+    method @Nullable public String getName();
+    method @Nullable public android.audio.policy.configuration.V7_0.Routes getRoutes();
+    method public void setAttachedDevices(@Nullable android.audio.policy.configuration.V7_0.AttachedDevices);
+    method public void setDefaultOutputDevice(@Nullable String);
+    method public void setDevicePorts(@Nullable android.audio.policy.configuration.V7_0.DevicePorts);
+    method public void setHalVersion(@Nullable android.audio.policy.configuration.V7_0.HalVersion);
+    method public void setMixPorts(@Nullable android.audio.policy.configuration.V7_0.MixPorts);
+    method public void setName(@Nullable String);
+    method public void setRoutes(@Nullable android.audio.policy.configuration.V7_0.Routes);
   }
 
   public class Profile {
     ctor public Profile();
-    method public java.util.List<audio.policy.configuration.V7_0.AudioChannelMask> getChannelMasks();
-    method public String getFormat();
-    method public String getName();
-    method public java.util.List<java.math.BigInteger> getSamplingRates();
-    method public void setChannelMasks(java.util.List<audio.policy.configuration.V7_0.AudioChannelMask>);
-    method public void setFormat(String);
-    method public void setName(String);
-    method public void setSamplingRates(java.util.List<java.math.BigInteger>);
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.AudioChannelMask> getChannelMasks();
+    method @Nullable public String getFormat();
+    method @Nullable public String getName();
+    method @Nullable public java.util.List<java.math.BigInteger> getSamplingRates();
+    method public void setChannelMasks(@Nullable java.util.List<android.audio.policy.configuration.V7_0.AudioChannelMask>);
+    method public void setFormat(@Nullable String);
+    method public void setName(@Nullable String);
+    method public void setSamplingRates(@Nullable java.util.List<java.math.BigInteger>);
   }
 
   public class Reference {
     ctor public Reference();
-    method public String getName();
-    method public java.util.List<java.lang.String> getPoint();
-    method public void setName(String);
+    method @Nullable public String getName();
+    method @Nullable public java.util.List<java.lang.String> getPoint();
+    method public void setName(@Nullable String);
   }
 
   public enum Role {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.Role sink;
-    enum_constant public static final audio.policy.configuration.V7_0.Role source;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.Role sink;
+    enum_constant public static final android.audio.policy.configuration.V7_0.Role source;
   }
 
   public class Routes {
     ctor public Routes();
-    method public java.util.List<audio.policy.configuration.V7_0.Routes.Route> getRoute();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.Routes.Route> getRoute();
   }
 
   public static class Routes.Route {
     ctor public Routes.Route();
-    method public String getSink();
-    method public String getSources();
-    method public audio.policy.configuration.V7_0.MixType getType();
-    method public void setSink(String);
-    method public void setSources(String);
-    method public void setType(audio.policy.configuration.V7_0.MixType);
+    method @Nullable public String getSink();
+    method @Nullable public String getSources();
+    method @Nullable public android.audio.policy.configuration.V7_0.MixType getType();
+    method public void setSink(@Nullable String);
+    method public void setSources(@Nullable String);
+    method public void setType(@Nullable android.audio.policy.configuration.V7_0.MixType);
   }
 
   public class SurroundFormats {
     ctor public SurroundFormats();
-    method public java.util.List<audio.policy.configuration.V7_0.SurroundFormats.Format> getFormat();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.SurroundFormats.Format> getFormat();
   }
 
   public static class SurroundFormats.Format {
     ctor public SurroundFormats.Format();
-    method public audio.policy.configuration.V7_0.AudioFormat getName();
-    method public java.util.List<audio.policy.configuration.V7_0.AudioFormat> getSubformats();
-    method public void setName(audio.policy.configuration.V7_0.AudioFormat);
-    method public void setSubformats(java.util.List<audio.policy.configuration.V7_0.AudioFormat>);
+    method @Nullable public android.audio.policy.configuration.V7_0.AudioFormat getName();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.AudioFormat> getSubformats();
+    method public void setName(@Nullable android.audio.policy.configuration.V7_0.AudioFormat);
+    method public void setSubformats(@Nullable java.util.List<android.audio.policy.configuration.V7_0.AudioFormat>);
   }
 
   public class SurroundSound {
     ctor public SurroundSound();
-    method public audio.policy.configuration.V7_0.SurroundFormats getFormats();
-    method public void setFormats(audio.policy.configuration.V7_0.SurroundFormats);
+    method @Nullable public android.audio.policy.configuration.V7_0.SurroundFormats getFormats();
+    method public void setFormats(@Nullable android.audio.policy.configuration.V7_0.SurroundFormats);
   }
 
   public enum Version {
-    method public String getRawName();
-    enum_constant public static final audio.policy.configuration.V7_0.Version _1_0;
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_0.Version _1_0;
   }
 
   public class Volume {
     ctor public Volume();
-    method public audio.policy.configuration.V7_0.DeviceCategory getDeviceCategory();
-    method public java.util.List<java.lang.String> getPoint();
-    method public String getRef();
-    method public audio.policy.configuration.V7_0.AudioStreamType getStream();
-    method public void setDeviceCategory(audio.policy.configuration.V7_0.DeviceCategory);
-    method public void setRef(String);
-    method public void setStream(audio.policy.configuration.V7_0.AudioStreamType);
+    method @Nullable public android.audio.policy.configuration.V7_0.DeviceCategory getDeviceCategory();
+    method @Nullable public java.util.List<java.lang.String> getPoint();
+    method @Nullable public String getRef();
+    method @Nullable public android.audio.policy.configuration.V7_0.AudioStreamType getStream();
+    method public void setDeviceCategory(@Nullable android.audio.policy.configuration.V7_0.DeviceCategory);
+    method public void setRef(@Nullable String);
+    method public void setStream(@Nullable android.audio.policy.configuration.V7_0.AudioStreamType);
   }
 
   public class Volumes {
     ctor public Volumes();
-    method public java.util.List<audio.policy.configuration.V7_0.Reference> getReference();
-    method public java.util.List<audio.policy.configuration.V7_0.Volume> getVolume();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.Reference> getReference();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_0.Volume> getVolume();
   }
 
   public class XmlParser {
     ctor public XmlParser();
-    method public static audio.policy.configuration.V7_0.AudioPolicyConfiguration read(java.io.InputStream) throws javax.xml.datatype.DatatypeConfigurationException, java.io.IOException, org.xmlpull.v1.XmlPullParserException;
-    method public static String readText(org.xmlpull.v1.XmlPullParser) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
-    method public static void skip(org.xmlpull.v1.XmlPullParser) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
+    method @Nullable public static android.audio.policy.configuration.V7_0.AudioPolicyConfiguration read(@NonNull java.io.InputStream) throws javax.xml.datatype.DatatypeConfigurationException, java.io.IOException, org.xmlpull.v1.XmlPullParserException;
+    method @Nullable public static String readText(@NonNull org.xmlpull.v1.XmlPullParser) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
+    method public static void skip(@NonNull org.xmlpull.v1.XmlPullParser) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
   }
 
 }