58     public static abstract class Callback {  class in RemoteConnection
291         public abstract static class Callback {  class in RemoteConnection.VideoProvider
389                 for (Callback l : mCallbacks) {
397                 for (Callback l : mCallbacks) {
408                 for (Callback l : mCallbacks) {
415                 for (Callback l : mCallbacks) {
422                 for (Callback l : mCallbacks) {
430                 for (Callback l : mCallbacks) {
437                 for (Callback l : mCallbacks) {
462         private final Set<Callback> mCallbacks = Collections.newSetFromMap(
463                 new ConcurrentHashMap<Callback, Boolean>(8, 0.9f, 1));
482         public void registerCallback(Callback l) {  in registerCallback()
491         public void unregisterCallback(Callback l) {  in unregisterCallback()
744     public void registerCallback(Callback callback) {  in registerCallback()
754     public void registerCallback(Callback callback, Handler handler) {  in registerCallback()
766     public void unregisterCallback(Callback callback) {  in unregisterCallback()
1308                 final Callback callback = record.getCallback();  in setState()
1329                 final Callback callback = record.getCallback();  in setDisconnected()
1348                 final Callback callback = record.getCallback();  in setRingbackRequested()
1366             final Callback callback = record.getCallback();  in setConnectionCapabilities()
1383             final Callback callback = record.getCallback();  in setConnectionProperties()
1406                 final Callback callback = record.getCallback();  in setDestroyed()
1426             final Callback callback = record.getCallback();  in setPostDialWait()
1442             final Callback callback = record.getCallback();  in onPostDialChar()
1459             final Callback callback = record.getCallback();  in setVideoState()
1476             final Callback callback = record.getCallback();  in setVideoProvider()
1491             final Callback callback = record.getCallback();  in setIsVoipAudioMode()
1506             final Callback callback = record.getCallback();  in setStatusHints()
1522             final Callback callback = record.getCallback();  in setAddress()
1538             final Callback callback = record.getCallback();  in setCallerDisplayName()
1555             final Callback callback = record.getCallback();  in setConferenceableConnections()
1572                 final Callback callback = record.getCallback();  in setConference()
1615             final Callback callback = record.getCallback();  in notifyExtrasChanged()
1629             final Callback callback = record.getCallback();  in onConnectionEvent()
1643             final Callback callback = record.getCallback();  in onRttInitiationSuccess()
1653             final Callback callback = record.getCallback();  in onRttInitiationFailure()
1663             final Callback callback = record.getCallback();  in onRttSessionRemotelyTerminated()
1673             final Callback callback = record.getCallback();  in onRemoteRttRequest()
1693     private static final class CallbackRecord extends Callback {
1694         private final Callback mCallback;
1697         public CallbackRecord(Callback callback, Handler handler) {  in CallbackRecord()
1702         public Callback getCallback() {  in getCallback()