156     private HashMap<IBinder, CallbackWrapper> mWrappers = new HashMap<>();  field in ImsStateCallbackController
802         if (mWrappers.size() == 0) return;  in onSubChanged()
810         for (IBinder binder : mWrappers.keySet()) {  in onSubChanged()
811             CallbackWrapper wrapper = mWrappers.get(binder);  in onSubChanged()
834         mWrappers.values().forEach(wrapper -> {  in onFeatureStateChange()
848         if (VDBG) logv("onRegisterCallback before size=" + mWrappers.size());  in onRegisterCallback()
861         mWrappers.put(wrapper.mBinder, wrapper);  in onRegisterCallback()
868                         mWrappers.remove(wrapper.mBinder);  in onRegisterCallback()
878                         mWrappers.remove(wrapper.mBinder);  in onRegisterCallback()
885         if (VDBG) logv("onRegisterCallback after size=" + mWrappers.size());  in onRegisterCallback()
890         mWrappers.remove(cb.asBinder());  in onUnregisterCallback()
1021             CallbackWrapper wrapper = mWrappers.get(binder);  in removeInactiveCallbacks()
1025                 mWrappers.remove(binder);  in removeInactiveCallbacks()
1177         return mWrappers.containsKey(cb.asBinder());  in isRegistered()
1188             mWrappers.values().forEach(wrapper -> wrapper.dump(pw));  in dump()