getAccessToken method

@override Future<String?> getAccessToken()

Retrieves the access token from secure storage.

Throws a TokenManagerException if an error occurs during retrieval.

Implementation

@override
Future<String?> getAccessToken() async {
  try {
    return await _storage.read(key: 'access_token');
  } catch (e) {
    throw TokenManagerException(TokenErrorMessages.failedToGetAccessToken);
  }
}