Output:
android/bluetooth/IBluetoothDeviceGroup.java:32: error: could not resolve android.bluetooth.DeviceGroup
    @Override public java.util.List<android.bluetooth.DeviceGroup> getDiscoveredGroups(boolean mPublicAddr, android.content.AttributionSource attributionSource) throws android
.os.RemoteException
                                    ^
android/bluetooth/IBluetoothDeviceGroup.java:36: error: could not resolve android.bluetooth.DeviceGroup
    @Override public android.bluetooth.DeviceGroup getDeviceGroup(int groupId, boolean mPublicAddr, android.content.AttributionSource attributionSource) throws android.os.Remo
teException
                     ^
android/bluetooth/IBluetoothDeviceGroup.java:628: error: could not resolve android.bluetooth.DeviceGroup
      @Override public java.util.List<android.bluetooth.DeviceGroup> getDiscoveredGroups(boolean mPublicAddr, android.content.AttributionSource attributionSource) throws andro
id.os.RemoteException
                                      ^
android/bluetooth/IBluetoothDeviceGroup.java:658: error: could not resolve android.bluetooth.DeviceGroup
      @Override public android.bluetooth.DeviceGroup getDeviceGroup(int groupId, boolean mPublicAddr, android.content.AttributionSource attributionSource) throws android.os.Re
moteException
                       ^
android/bluetooth/IBluetoothDeviceGroup.java:874: error: could not resolve android.bluetooth.DeviceGroup
  public java.util.List<android.bluetooth.DeviceGroup> getDiscoveredGroups(boolean mPublicAddr, android.content.AttributionSource attributionSource) throws android.os.RemoteEx
ception;
                        ^
android/bluetooth/IBluetoothDeviceGroup.java:876: error: could not resolve android.bluetooth.DeviceGroup
  public android.bluetooth.DeviceGroup getDeviceGroup(int groupId, boolean mPublicAddr, android.content.AttributionSource attributionSource) throws android.os.RemoteException;
         ^