clearTokens method
Implementation
Future<void> clearTokens() async {
if (kIsWeb) {
_webDelete(_accessTokenKey);
_webDelete(_refreshTokenKey);
_webDelete(_expiresAtKey);
} else {
await Future.wait([
_storage.delete(_accessTokenKey),
_storage.delete(_refreshTokenKey),
_storage.delete(_expiresAtKey),
]);
}
}