utils/fcm_token_utils library

1. optimus_flutter package
2. documentation
3. utils/fcm_token_utils.dart

optimus_flutter package

1. Libraries
2. client/client
3. constants/constants
4. dto/event/event
5. dto/gender/gender
6. dto/internal_session/internal_session
7. dto/payload/notification_payload
8. dto/request/invalidate_token_request
9. dto/request/push_analytic_request
10. dto/request/push_token_request
11. dto/request/tracking_request
12. dto/responses/response
13. enums/optimus_enums
14. exceptions/exceptions
15. geo_location/geo_location
16. optimus_flutter
17. properties/properties
18. utils/app_version_utils
19. utils/campaign_utils
20. utils/encyption_utils
21. utils/fcm_token_utils
22. utils/internal_session_utils