unregisterPush abstract method
Available since: 2.5.0 or later.
Description: Call this method to de-register when offline push is not required.
Use cases: This method can be called to de-register when a user clicks a close message notification within the application.
When to call /Trigger: Called when de-registration is required.
Caution: It needs to be called after registerPush is called.
Implementation
Future<void> unregisterPush();