Error: The method 'hashValues' isn't defined for the class 'SlidableRatioNotification'.

[tib753]

when I run main.dart in chrome web in android studio this error occurs With the latest version of the android studio and flutter

`Launching lib\main.dart on Chrome in debug mode...
Waiting for connection from debug service on Chrome...
/C:/Users/ABD%20ARAZZAK/AppData/Local/Pub/Cache/hosted/pub.dev/flutter_slidable-3.1.1/lib/src/notifications_old.dart:88:23: Error: The method 'hashValues' isn't defined for the class 'SlidableRatioNotification'.

• 'SlidableRatioNotification' is from 'package:flutter_slidable/src/notifications_old.dart' ('/C:/Users/ABD%20ARAZZAK/AppData/Local/Pub/Cache/hosted/pub.dev/flutter_slidable-3.1.1/lib/src/notifications_old.dart').
  Try correcting the name to the name of an existing method, or defining a method named 'hashValues'.
  int get hashCode => hashValues(tag, ratio);
  ^^^^^^^^^^
  Failed to compile application.`