- * @param string $key The requested parameter key
- * @param string $sourceId The service id that references the non-existent parameter
- * @param string $sourceKey The parameter key that references the non-existent parameter
- * @param \Exception $previous The previous exception
- * @param string[] $alternatives Some parameter name alternatives
+ * @param string $key The requested parameter key
+ * @param string $sourceId The service id that references the non-existent parameter
+ * @param string $sourceKey The parameter key that references the non-existent parameter
+ * @param \Exception $previous The previous exception
+ * @param string[] $alternatives Some parameter name alternatives
+ * @param string|null $nonNestedAlternative The alternative parameter name when the user expected dot notation for nested parameters