@@ -298,7 +298,7 @@ class SIPUAHelper extends EventManager {
298298 }, buildCallOptions (true ));
299299 });
300300
301- Map <String , dynamic > _defaultOptions = < String , dynamic > {
301+ Map <String , dynamic > defaultOptions = < String , dynamic > {
302302 'eventHandlers' : handlers,
303303 'extraHeaders' : < dynamic > [],
304304 'pcConfig' : < String , dynamic > {
@@ -341,7 +341,7 @@ class SIPUAHelper extends EventManager {
341341 },
342342 'sessionTimersExpires' : 120
343343 };
344- return _defaultOptions ;
344+ return defaultOptions ;
345345 }
346346
347347 Message sendMessage (String target, String body,
@@ -376,16 +376,16 @@ class SIPUAHelper extends EventManager {
376376
377377 void _notifyTransportStateListeners (TransportState state) {
378378 // Copy to prevent concurrent modification exception
379- List <SipUaHelperListener > _listeners = _sipUaHelperListeners.toList ();
380- for (SipUaHelperListener listener in _listeners ) {
379+ List <SipUaHelperListener > listeners = _sipUaHelperListeners.toList ();
380+ for (SipUaHelperListener listener in listeners ) {
381381 listener.transportStateChanged (state);
382382 }
383383 }
384384
385385 void _notifyRegistrationStateListeners (RegistrationState state) {
386386 // Copy to prevent concurrent modification exception
387- List <SipUaHelperListener > _listeners = _sipUaHelperListeners.toList ();
388- for (SipUaHelperListener listener in _listeners ) {
387+ List <SipUaHelperListener > listeners = _sipUaHelperListeners.toList ();
388+ for (SipUaHelperListener listener in listeners ) {
389389 listener.registrationStateChanged (state);
390390 }
391391 }
@@ -398,24 +398,24 @@ class SIPUAHelper extends EventManager {
398398 }
399399 call.state = state.state;
400400 // Copy to prevent concurrent modification exception
401- List <SipUaHelperListener > _listeners = _sipUaHelperListeners.toList ();
402- for (SipUaHelperListener listener in _listeners ) {
401+ List <SipUaHelperListener > listeners = _sipUaHelperListeners.toList ();
402+ for (SipUaHelperListener listener in listeners ) {
403403 listener.callStateChanged (call, state);
404404 }
405405 }
406406
407407 void _notifyNewMessageListeners (SIPMessageRequest msg) {
408408 // Copy to prevent concurrent modification exception
409- List <SipUaHelperListener > _listeners = _sipUaHelperListeners.toList ();
410- for (SipUaHelperListener listener in _listeners ) {
409+ List <SipUaHelperListener > listeners = _sipUaHelperListeners.toList ();
410+ for (SipUaHelperListener listener in listeners ) {
411411 listener.onNewMessage (msg);
412412 }
413413 }
414414
415415 void _notifyNotifyListeners (EventNotify event) {
416416 // Copy to prevent concurrent modification exception
417- List <SipUaHelperListener > _listeners = _sipUaHelperListeners.toList ();
418- for (SipUaHelperListener listener in _listeners ) {
417+ List <SipUaHelperListener > listeners = _sipUaHelperListeners.toList ();
418+ for (SipUaHelperListener listener in listeners ) {
419419 listener.onNewNotify (Notify (request: event.request));
420420 }
421421 }
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