getExtension method
Gets an Extension.
Throws a http.ClientException if there were problems communicating with
the API service. Throws a ServiceException if the API method failed for
any reason.
Implementation
@override
Future<Extension> getExtension(GetExtensionRequest request) async {
if (isClosed) throw StateError('Service is closed');
if (_getExtension case final getExtension?) {
return getExtension(request);
}
throw UnsupportedError('getExtension');
}