diff --git a/framework-t/udc-extended-api/system-current.txt b/framework-t/udc-extended-api/system-current.txt
new file mode 100644
index 0000000..1549089
--- /dev/null
+++ b/framework-t/udc-extended-api/system-current.txt
@@ -0,0 +1,416 @@
+// Signature format: 2.0
+package android.app.usage {
+
+  public class NetworkStatsManager {
+    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_STATS_PROVIDER, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void registerNetworkStatsProvider(@NonNull String, @NonNull android.net.netstats.provider.NetworkStatsProvider);
+    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_STATS_PROVIDER, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void unregisterNetworkStatsProvider(@NonNull android.net.netstats.provider.NetworkStatsProvider);
+  }
+
+}
+
+package android.nearby {
+
+  public interface BroadcastCallback {
+    method public void onStatusChanged(int);
+    field public static final int STATUS_FAILURE = 1; // 0x1
+    field public static final int STATUS_FAILURE_ALREADY_REGISTERED = 2; // 0x2
+    field public static final int STATUS_FAILURE_MISSING_PERMISSIONS = 4; // 0x4
+    field public static final int STATUS_FAILURE_SIZE_EXCEED_LIMIT = 3; // 0x3
+    field public static final int STATUS_OK = 0; // 0x0
+  }
+
+  public abstract class BroadcastRequest {
+    method @NonNull public java.util.List<java.lang.Integer> getMediums();
+    method @IntRange(from=0xffffff81, to=126) public int getTxPower();
+    method public int getType();
+    method public int getVersion();
+    field public static final int BROADCAST_TYPE_NEARBY_PRESENCE = 3; // 0x3
+    field public static final int BROADCAST_TYPE_UNKNOWN = -1; // 0xffffffff
+    field public static final int MEDIUM_BLE = 1; // 0x1
+    field public static final int PRESENCE_VERSION_UNKNOWN = -1; // 0xffffffff
+    field public static final int PRESENCE_VERSION_V0 = 0; // 0x0
+    field public static final int PRESENCE_VERSION_V1 = 1; // 0x1
+    field public static final int UNKNOWN_TX_POWER = -127; // 0xffffff81
+  }
+
+  public final class CredentialElement implements android.os.Parcelable {
+    ctor public CredentialElement(@NonNull String, @NonNull byte[]);
+    method public int describeContents();
+    method @NonNull public String getKey();
+    method @NonNull public byte[] getValue();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.nearby.CredentialElement> CREATOR;
+  }
+
+  public final class DataElement implements android.os.Parcelable {
+    ctor public DataElement(int, @NonNull byte[]);
+    method public int describeContents();
+    method public int getKey();
+    method @NonNull public byte[] getValue();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.nearby.DataElement> CREATOR;
+  }
+
+  public abstract class NearbyDevice {
+    method @NonNull public java.util.List<java.lang.Integer> getMediums();
+    method @Nullable public String getName();
+    method @IntRange(from=0xffffff81, to=126) public int getRssi();
+    method public static boolean isValidMedium(int);
+  }
+
+  public class NearbyManager {
+    method public void queryOffloadCapability(@NonNull java.util.concurrent.Executor, @NonNull java.util.function.Consumer<android.nearby.OffloadCapability>);
+    method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_ADVERTISE, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public void startBroadcast(@NonNull android.nearby.BroadcastRequest, @NonNull java.util.concurrent.Executor, @NonNull android.nearby.BroadcastCallback);
+    method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_SCAN, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public int startScan(@NonNull android.nearby.ScanRequest, @NonNull java.util.concurrent.Executor, @NonNull android.nearby.ScanCallback);
+    method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_ADVERTISE, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public void stopBroadcast(@NonNull android.nearby.BroadcastCallback);
+    method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_SCAN, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public void stopScan(@NonNull android.nearby.ScanCallback);
+  }
+
+  public final class OffloadCapability implements android.os.Parcelable {
+    method public int describeContents();
+    method public long getVersion();
+    method public boolean isFastPairSupported();
+    method public boolean isNearbyShareSupported();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.nearby.OffloadCapability> CREATOR;
+  }
+
+  public static final class OffloadCapability.Builder {
+    ctor public OffloadCapability.Builder();
+    method @NonNull public android.nearby.OffloadCapability build();
+    method @NonNull public android.nearby.OffloadCapability.Builder setFastPairSupported(boolean);
+    method @NonNull public android.nearby.OffloadCapability.Builder setNearbyShareSupported(boolean);
+    method @NonNull public android.nearby.OffloadCapability.Builder setVersion(long);
+  }
+
+  public final class PresenceBroadcastRequest extends android.nearby.BroadcastRequest implements android.os.Parcelable {
+    method public int describeContents();
+    method @NonNull public java.util.List<java.lang.Integer> getActions();
+    method @NonNull public android.nearby.PrivateCredential getCredential();
+    method @NonNull public java.util.List<android.nearby.DataElement> getExtendedProperties();
+    method @NonNull public byte[] getSalt();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.nearby.PresenceBroadcastRequest> CREATOR;
+  }
+
+  public static final class PresenceBroadcastRequest.Builder {
+    ctor public PresenceBroadcastRequest.Builder(@NonNull java.util.List<java.lang.Integer>, @NonNull byte[], @NonNull android.nearby.PrivateCredential);
+    method @NonNull public android.nearby.PresenceBroadcastRequest.Builder addAction(@IntRange(from=1, to=255) int);
+    method @NonNull public android.nearby.PresenceBroadcastRequest.Builder addExtendedProperty(@NonNull android.nearby.DataElement);
+    method @NonNull public android.nearby.PresenceBroadcastRequest build();
+    method @NonNull public android.nearby.PresenceBroadcastRequest.Builder setTxPower(@IntRange(from=0xffffff81, to=126) int);
+    method @NonNull public android.nearby.PresenceBroadcastRequest.Builder setVersion(int);
+  }
+
+  public abstract class PresenceCredential {
+    method @NonNull public byte[] getAuthenticityKey();
+    method @NonNull public java.util.List<android.nearby.CredentialElement> getCredentialElements();
+    method public int getIdentityType();
+    method @NonNull public byte[] getSecretId();
+    method public int getType();
+    field public static final int CREDENTIAL_TYPE_PRIVATE = 0; // 0x0
+    field public static final int CREDENTIAL_TYPE_PUBLIC = 1; // 0x1
+    field public static final int IDENTITY_TYPE_PRIVATE = 1; // 0x1
+    field public static final int IDENTITY_TYPE_PROVISIONED = 2; // 0x2
+    field public static final int IDENTITY_TYPE_TRUSTED = 3; // 0x3
+    field public static final int IDENTITY_TYPE_UNKNOWN = 0; // 0x0
+  }
+
+  public final class PresenceDevice extends android.nearby.NearbyDevice implements android.os.Parcelable {
+    method public int describeContents();
+    method @NonNull public String getDeviceId();
+    method @Nullable public String getDeviceImageUrl();
+    method public int getDeviceType();
+    method public long getDiscoveryTimestampMillis();
+    method @NonNull public byte[] getEncryptedIdentity();
+    method @NonNull public java.util.List<android.nearby.DataElement> getExtendedProperties();
+    method @NonNull public byte[] getSalt();
+    method @NonNull public byte[] getSecretId();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.nearby.PresenceDevice> CREATOR;
+  }
+
+  public static final class PresenceDevice.Builder {
+    ctor public PresenceDevice.Builder(@NonNull String, @NonNull byte[], @NonNull byte[], @NonNull byte[]);
+    method @NonNull public android.nearby.PresenceDevice.Builder addExtendedProperty(@NonNull android.nearby.DataElement);
+    method @NonNull public android.nearby.PresenceDevice.Builder addMedium(int);
+    method @NonNull public android.nearby.PresenceDevice build();
+    method @NonNull public android.nearby.PresenceDevice.Builder setDeviceImageUrl(@Nullable String);
+    method @NonNull public android.nearby.PresenceDevice.Builder setDeviceType(int);
+    method @NonNull public android.nearby.PresenceDevice.Builder setDiscoveryTimestampMillis(long);
+    method @NonNull public android.nearby.PresenceDevice.Builder setName(@Nullable String);
+    method @NonNull public android.nearby.PresenceDevice.Builder setRssi(int);
+  }
+
+  public final class PresenceScanFilter extends android.nearby.ScanFilter implements android.os.Parcelable {
+    method public int describeContents();
+    method @NonNull public java.util.List<android.nearby.PublicCredential> getCredentials();
+    method @NonNull public java.util.List<android.nearby.DataElement> getExtendedProperties();
+    method @NonNull public java.util.List<java.lang.Integer> getPresenceActions();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.nearby.PresenceScanFilter> CREATOR;
+  }
+
+  public static final class PresenceScanFilter.Builder {
+    ctor public PresenceScanFilter.Builder();
+    method @NonNull public android.nearby.PresenceScanFilter.Builder addCredential(@NonNull android.nearby.PublicCredential);
+    method @NonNull public android.nearby.PresenceScanFilter.Builder addExtendedProperty(@NonNull android.nearby.DataElement);
+    method @NonNull public android.nearby.PresenceScanFilter.Builder addPresenceAction(@IntRange(from=1, to=255) int);
+    method @NonNull public android.nearby.PresenceScanFilter build();
+    method @NonNull public android.nearby.PresenceScanFilter.Builder setMaxPathLoss(@IntRange(from=0, to=127) int);
+  }
+
+  public final class PrivateCredential extends android.nearby.PresenceCredential implements android.os.Parcelable {
+    method public int describeContents();
+    method @NonNull public String getDeviceName();
+    method @NonNull public byte[] getMetadataEncryptionKey();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.nearby.PrivateCredential> CREATOR;
+  }
+
+  public static final class PrivateCredential.Builder {
+    ctor public PrivateCredential.Builder(@NonNull byte[], @NonNull byte[], @NonNull byte[], @NonNull String);
+    method @NonNull public android.nearby.PrivateCredential.Builder addCredentialElement(@NonNull android.nearby.CredentialElement);
+    method @NonNull public android.nearby.PrivateCredential build();
+    method @NonNull public android.nearby.PrivateCredential.Builder setIdentityType(int);
+  }
+
+  public final class PublicCredential extends android.nearby.PresenceCredential implements android.os.Parcelable {
+    method public int describeContents();
+    method @NonNull public byte[] getEncryptedMetadata();
+    method @NonNull public byte[] getEncryptedMetadataKeyTag();
+    method @NonNull public byte[] getPublicKey();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.nearby.PublicCredential> CREATOR;
+  }
+
+  public static final class PublicCredential.Builder {
+    ctor public PublicCredential.Builder(@NonNull byte[], @NonNull byte[], @NonNull byte[], @NonNull byte[], @NonNull byte[]);
+    method @NonNull public android.nearby.PublicCredential.Builder addCredentialElement(@NonNull android.nearby.CredentialElement);
+    method @NonNull public android.nearby.PublicCredential build();
+    method @NonNull public android.nearby.PublicCredential.Builder setIdentityType(int);
+  }
+
+  public interface ScanCallback {
+    method public void onDiscovered(@NonNull android.nearby.NearbyDevice);
+    method public default void onError(int);
+    method public void onLost(@NonNull android.nearby.NearbyDevice);
+    method public void onUpdated(@NonNull android.nearby.NearbyDevice);
+    field public static final int ERROR_INVALID_ARGUMENT = 2; // 0x2
+    field public static final int ERROR_PERMISSION_DENIED = 3; // 0x3
+    field public static final int ERROR_RESOURCE_EXHAUSTED = 4; // 0x4
+    field public static final int ERROR_UNKNOWN = 0; // 0x0
+    field public static final int ERROR_UNSUPPORTED = 1; // 0x1
+  }
+
+  public abstract class ScanFilter {
+    method @IntRange(from=0, to=127) public int getMaxPathLoss();
+    method public int getType();
+  }
+
+  public final class ScanRequest implements android.os.Parcelable {
+    method public int describeContents();
+    method @NonNull public java.util.List<android.nearby.ScanFilter> getScanFilters();
+    method public int getScanMode();
+    method public int getScanType();
+    method @NonNull public android.os.WorkSource getWorkSource();
+    method public boolean isBleEnabled();
+    method public boolean isOffloadOnly();
+    method public static boolean isValidScanMode(int);
+    method public static boolean isValidScanType(int);
+    method @NonNull public static String scanModeToString(int);
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.nearby.ScanRequest> CREATOR;
+    field public static final int SCAN_MODE_BALANCED = 1; // 0x1
+    field public static final int SCAN_MODE_LOW_LATENCY = 2; // 0x2
+    field public static final int SCAN_MODE_LOW_POWER = 0; // 0x0
+    field public static final int SCAN_MODE_NO_POWER = -1; // 0xffffffff
+    field public static final int SCAN_TYPE_FAST_PAIR = 1; // 0x1
+    field public static final int SCAN_TYPE_NEARBY_PRESENCE = 2; // 0x2
+  }
+
+  public static final class ScanRequest.Builder {
+    ctor public ScanRequest.Builder();
+    method @NonNull public android.nearby.ScanRequest.Builder addScanFilter(@NonNull android.nearby.ScanFilter);
+    method @NonNull public android.nearby.ScanRequest build();
+    method @NonNull public android.nearby.ScanRequest.Builder setBleEnabled(boolean);
+    method @NonNull public android.nearby.ScanRequest.Builder setOffloadOnly(boolean);
+    method @NonNull public android.nearby.ScanRequest.Builder setScanMode(int);
+    method @NonNull public android.nearby.ScanRequest.Builder setScanType(int);
+    method @NonNull @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public android.nearby.ScanRequest.Builder setWorkSource(@Nullable android.os.WorkSource);
+  }
+
+}
+
+package android.net {
+
+  public class EthernetManager {
+    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.MANAGE_ETHERNET_NETWORKS}) public void disableInterface(@NonNull String, @Nullable java.util.concurrent.Executor, @Nullable android.os.OutcomeReceiver<java.lang.String,android.net.EthernetNetworkManagementException>);
+    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.MANAGE_ETHERNET_NETWORKS}) public void enableInterface(@NonNull String, @Nullable java.util.concurrent.Executor, @Nullable android.os.OutcomeReceiver<java.lang.String,android.net.EthernetNetworkManagementException>);
+    method @NonNull @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public android.net.EthernetManager.TetheredInterfaceRequest requestTetheredInterface(@NonNull java.util.concurrent.Executor, @NonNull android.net.EthernetManager.TetheredInterfaceCallback);
+    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.MANAGE_ETHERNET_NETWORKS}) public void updateConfiguration(@NonNull String, @NonNull android.net.EthernetNetworkUpdateRequest, @Nullable java.util.concurrent.Executor, @Nullable android.os.OutcomeReceiver<java.lang.String,android.net.EthernetNetworkManagementException>);
+  }
+
+  public static interface EthernetManager.TetheredInterfaceCallback {
+    method public void onAvailable(@NonNull String);
+    method public void onUnavailable();
+  }
+
+  public static class EthernetManager.TetheredInterfaceRequest {
+    method public void release();
+  }
+
+  public final class EthernetNetworkManagementException extends java.lang.RuntimeException implements android.os.Parcelable {
+    ctor public EthernetNetworkManagementException(@NonNull String);
+    method public int describeContents();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.EthernetNetworkManagementException> CREATOR;
+  }
+
+  public final class EthernetNetworkUpdateRequest implements android.os.Parcelable {
+    method public int describeContents();
+    method @Nullable public android.net.IpConfiguration getIpConfiguration();
+    method @Nullable public android.net.NetworkCapabilities getNetworkCapabilities();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.EthernetNetworkUpdateRequest> CREATOR;
+  }
+
+  public static final class EthernetNetworkUpdateRequest.Builder {
+    ctor public EthernetNetworkUpdateRequest.Builder();
+    ctor public EthernetNetworkUpdateRequest.Builder(@NonNull android.net.EthernetNetworkUpdateRequest);
+    method @NonNull public android.net.EthernetNetworkUpdateRequest build();
+    method @NonNull public android.net.EthernetNetworkUpdateRequest.Builder setIpConfiguration(@Nullable android.net.IpConfiguration);
+    method @NonNull public android.net.EthernetNetworkUpdateRequest.Builder setNetworkCapabilities(@Nullable android.net.NetworkCapabilities);
+  }
+
+  public class IpSecManager {
+    method @RequiresPermission(android.Manifest.permission.MANAGE_IPSEC_TUNNELS) public void applyTunnelModeTransform(@NonNull android.net.IpSecManager.IpSecTunnelInterface, int, @NonNull android.net.IpSecTransform) throws java.io.IOException;
+    method @NonNull @RequiresPermission(android.Manifest.permission.MANAGE_IPSEC_TUNNELS) public android.net.IpSecManager.IpSecTunnelInterface createIpSecTunnelInterface(@NonNull java.net.InetAddress, @NonNull java.net.InetAddress, @NonNull android.net.Network) throws java.io.IOException, android.net.IpSecManager.ResourceUnavailableException;
+    method @RequiresPermission(android.Manifest.permission.MANAGE_IPSEC_TUNNELS) public void startTunnelModeTransformMigration(@NonNull android.net.IpSecTransform, @NonNull java.net.InetAddress, @NonNull java.net.InetAddress);
+  }
+
+  public static final class IpSecManager.IpSecTunnelInterface implements java.lang.AutoCloseable {
+    method @RequiresPermission(android.Manifest.permission.MANAGE_IPSEC_TUNNELS) public void addAddress(@NonNull java.net.InetAddress, int) throws java.io.IOException;
+    method public void close();
+    method @NonNull public String getInterfaceName();
+    method @RequiresPermission(android.Manifest.permission.MANAGE_IPSEC_TUNNELS) public void removeAddress(@NonNull java.net.InetAddress, int) throws java.io.IOException;
+    method @RequiresPermission(android.Manifest.permission.MANAGE_IPSEC_TUNNELS) public void setUnderlyingNetwork(@NonNull android.net.Network) throws java.io.IOException;
+  }
+
+  public static class IpSecTransform.Builder {
+    method @NonNull @RequiresPermission(android.Manifest.permission.MANAGE_IPSEC_TUNNELS) public android.net.IpSecTransform buildTunnelModeTransform(@NonNull java.net.InetAddress, @NonNull android.net.IpSecManager.SecurityParameterIndex) throws java.io.IOException, android.net.IpSecManager.ResourceUnavailableException, android.net.IpSecManager.SpiUnavailableException;
+  }
+
+  public final class NetworkStats implements java.lang.Iterable<android.net.NetworkStats.Entry> android.os.Parcelable {
+    ctor public NetworkStats(long, int);
+    method @NonNull public android.net.NetworkStats add(@NonNull android.net.NetworkStats);
+    method @NonNull public android.net.NetworkStats addEntry(@NonNull android.net.NetworkStats.Entry);
+    method public int describeContents();
+    method @NonNull public java.util.Iterator<android.net.NetworkStats.Entry> iterator();
+    method @NonNull public android.net.NetworkStats subtract(@NonNull android.net.NetworkStats);
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkStats> CREATOR;
+    field public static final int DEFAULT_NETWORK_ALL = -1; // 0xffffffff
+    field public static final int DEFAULT_NETWORK_NO = 0; // 0x0
+    field public static final int DEFAULT_NETWORK_YES = 1; // 0x1
+    field public static final String IFACE_VT = "vt_data0";
+    field public static final int METERED_ALL = -1; // 0xffffffff
+    field public static final int METERED_NO = 0; // 0x0
+    field public static final int METERED_YES = 1; // 0x1
+    field public static final int ROAMING_ALL = -1; // 0xffffffff
+    field public static final int ROAMING_NO = 0; // 0x0
+    field public static final int ROAMING_YES = 1; // 0x1
+    field public static final int SET_ALL = -1; // 0xffffffff
+    field public static final int SET_DEFAULT = 0; // 0x0
+    field public static final int SET_FOREGROUND = 1; // 0x1
+    field public static final int TAG_NONE = 0; // 0x0
+    field public static final int UID_ALL = -1; // 0xffffffff
+    field public static final int UID_TETHERING = -5; // 0xfffffffb
+  }
+
+  public static class NetworkStats.Entry {
+    ctor public NetworkStats.Entry(@Nullable String, int, int, int, int, int, int, long, long, long, long, long);
+    method public int getDefaultNetwork();
+    method public int getMetered();
+    method public long getOperations();
+    method public int getRoaming();
+    method public long getRxBytes();
+    method public long getRxPackets();
+    method public int getSet();
+    method public int getTag();
+    method public long getTxBytes();
+    method public long getTxPackets();
+    method public int getUid();
+  }
+
+  public class TrafficStats {
+    method public static void setThreadStatsTagApp();
+    method public static void setThreadStatsTagBackup();
+    method public static void setThreadStatsTagRestore();
+    field public static final int TAG_NETWORK_STACK_IMPERSONATION_RANGE_END = -113; // 0xffffff8f
+    field public static final int TAG_NETWORK_STACK_IMPERSONATION_RANGE_START = -128; // 0xffffff80
+    field public static final int TAG_NETWORK_STACK_RANGE_END = -257; // 0xfffffeff
+    field public static final int TAG_NETWORK_STACK_RANGE_START = -768; // 0xfffffd00
+    field public static final int TAG_SYSTEM_IMPERSONATION_RANGE_END = -241; // 0xffffff0f
+    field public static final int TAG_SYSTEM_IMPERSONATION_RANGE_START = -256; // 0xffffff00
+  }
+
+}
+
+package android.net.netstats.provider {
+
+  public abstract class NetworkStatsProvider {
+    ctor public NetworkStatsProvider();
+    method public void notifyAlertReached();
+    method public void notifyLimitReached();
+    method public void notifyStatsUpdated(int, @NonNull android.net.NetworkStats, @NonNull android.net.NetworkStats);
+    method public void notifyWarningReached();
+    method public abstract void onRequestStatsUpdate(int);
+    method public abstract void onSetAlert(long);
+    method public abstract void onSetLimit(@NonNull String, long);
+    method public void onSetWarningAndLimit(@NonNull String, long, long);
+    field public static final int QUOTA_UNLIMITED = -1; // 0xffffffff
+  }
+
+}
+
+package android.net.nsd {
+
+  public final class NsdManager {
+    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void registerOffloadEngine(@NonNull String, long, long, @NonNull java.util.concurrent.Executor, @NonNull android.net.nsd.OffloadEngine);
+    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void unregisterOffloadEngine(@NonNull android.net.nsd.OffloadEngine);
+  }
+
+  public interface OffloadEngine {
+    method public void onOffloadServiceRemoved(@NonNull android.net.nsd.OffloadServiceInfo);
+    method public void onOffloadServiceUpdated(@NonNull android.net.nsd.OffloadServiceInfo);
+    field public static final int OFFLOAD_CAPABILITY_BYPASS_MULTICAST_LOCK = 1; // 0x1
+    field public static final int OFFLOAD_TYPE_FILTER_QUERIES = 2; // 0x2
+    field public static final int OFFLOAD_TYPE_FILTER_REPLIES = 4; // 0x4
+    field public static final int OFFLOAD_TYPE_REPLY = 1; // 0x1
+  }
+
+  public final class OffloadServiceInfo implements android.os.Parcelable {
+    ctor public OffloadServiceInfo(@NonNull android.net.nsd.OffloadServiceInfo.Key, @NonNull java.util.List<java.lang.String>, @NonNull String, @Nullable byte[], @IntRange(from=0, to=java.lang.Integer.MAX_VALUE) int, long);
+    method public int describeContents();
+    method @NonNull public String getHostname();
+    method @NonNull public android.net.nsd.OffloadServiceInfo.Key getKey();
+    method @Nullable public byte[] getOffloadPayload();
+    method public long getOffloadType();
+    method public int getPriority();
+    method @NonNull public java.util.List<java.lang.String> getSubtypes();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.nsd.OffloadServiceInfo> CREATOR;
+  }
+
+  public static final class OffloadServiceInfo.Key implements android.os.Parcelable {
+    ctor public OffloadServiceInfo.Key(@NonNull String, @NonNull String);
+    method public int describeContents();
+    method @NonNull public String getServiceName();
+    method @NonNull public String getServiceType();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.nsd.OffloadServiceInfo.Key> CREATOR;
+  }
+
+}
+