clearTokens method
Clears all tokens
Implementation
@override
Future<void> clearTokens() async {
_accessToken = null;
_refreshToken = null;
const event = TokenChangeEvent(
accessToken: null,
refreshToken: null,
type: TokenChangeType.cleared,
);
_controller.add(event);
for (final listener in _listeners) {
listener(null, null);
}
}