Android build error in Flutter 3.29.0

[Constans]

Android app build fails in Flutter 3.29.0 with the following:

/Users/u/.pub-cache/hosted/pub.dev/onesignal_flutter-5.2.9/android/src/main/java/com/onesignal/flutter/OneSignalNotifications.java:37: error: cannot find symbol
import io.flutter.plugin.common.PluginRegistry.Registrar;
                                              ^
  symbol:   class Registrar
  location: interface PluginRegistry
/Users/u/.pub-cache/hosted/pub.dev/onesignal_flutter-5.2.9/android/src/main/java/com/onesignal/flutter/OneSignalLocation.java:19: error: cannot find symbol
import io.flutter.plugin.common.PluginRegistry.Registrar;
                                              ^
  symbol:   class Registrar
  location: interface PluginRegistry
/Users/u/.pub-cache/hosted/pub.dev/onesignal_flutter-5.2.9/android/src/main/java/com/onesignal/flutter/OneSignalPlugin.java:28: error: cannot find symbol
import io.flutter.plugin.common.PluginRegistry.Registrar;
                                              ^
  symbol:   class Registrar
  location: interface PluginRegistry
/Users/u/.pub-cache/hosted/pub.dev/onesignal_flutter-5.2.9/android/src/main/java/com/onesignal/flutter/OneSignalPlugin.java:29: error: cannot find symbol
import io.flutter.view.FlutterNativeView;
                      ^
  symbol:   class FlutterNativeView
  location: package io.flutter.view
/Users/u/.pub-cache/hosted/pub.dev/onesignal_flutter-5.2.9/android/src/main/java/com/onesignal/flutter/OneSignalPlugin.java:93: error: cannot find symbol
  public static void registerWith(Registrar registrar) {
                                  ^
  symbol:   class Registrar
  location: class OneSignalPlugin
/Users/u/.pub-cache/hosted/pub.dev/onesignal_flutter-5.2.9/android/src/main/java/com/onesignal/flutter/OneSignalUser.java:22: error: cannot find symbol
import io.flutter.plugin.common.PluginRegistry.Registrar;
                                              ^
  symbol:   class Registrar
  location: interface PluginRegistry
/Users/u/.pub-cache/hosted/pub.dev/onesignal_flutter-5.2.9/android/src/main/java/com/onesignal/flutter/OneSignalSession.java:14: error: cannot find symbol
import io.flutter.plugin.common.PluginRegistry.Registrar;
                                              ^
  symbol:   class Registrar
  location: interface PluginRegistry
/Users/u/.pub-cache/hosted/pub.dev/onesignal_flutter-5.2.9/android/src/main/java/com/onesignal/flutter/OneSignalPushSubscription.java:25: error: cannot find symbol
import io.flutter.plugin.common.PluginRegistry.Registrar;
                                              ^
  symbol:   class Registrar
  location: interface PluginRegistry
/Users/u/.pub-cache/hosted/pub.dev/onesignal_flutter-5.2.9/android/src/main/java/com/onesignal/flutter/OneSignalDebug.java:19: error: cannot find symbol
import io.flutter.plugin.common.PluginRegistry.Registrar;
                                              ^
  symbol:   class Registrar
  location: interface PluginRegistry
/Users/u/.pub-cache/hosted/pub.dev/onesignal_flutter-5.2.9/android/src/main/java/com/onesignal/flutter/OneSignalInAppMessages.java:24: error: cannot find symbol
import io.flutter.plugin.common.PluginRegistry.Registrar;
                                              ^
  symbol:   class Registrar
  location: interface PluginRegistry
/Users/u/.pub-cache/hosted/pub.dev/onesignal_flutter-5.2.9/android/src/main/java/com/onesignal/flutter/OneSignalPlugin.java:98: error: cannot find symbol
    registrar.addViewDestroyListener(new PluginRegistry.ViewDestroyListener() {
                                                       ^
  symbol:   class ViewDestroyListener
  location: interface PluginRegistry
/Users/u/.pub-cache/hosted/pub.dev/onesignal_flutter-5.2.9/android/src/main/java/com/onesignal/flutter/OneSignalPlugin.java:100: error: cannot find symbol
      public boolean onViewDestroy(FlutterNativeView flutterNativeView) {
                                   ^
  symbol: class FlutterNativeView
/Users/u/.pub-cache/hosted/pub.dev/onesignal_flutter-5.2.9/android/src/main/java/com/onesignal/flutter/OneSignalPlugin.java:99: error: method does not override or implement a method from a supertype
      @Override
      ^
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
13 errors

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':onesignal_flutter:compileDebugJavaWithJavac'.
> Compilation failed; see the compiler error output for details.

* Try:
> Run with --info option to get more log output.
> Run with --scan to get full insights.

BUILD FAILED in 29s
Error: Gradle task assembleDebug failed with exit code 1