@@ -72,7 +72,7 @@ |
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72 | 72 | /** |
73 | 73 | * Delete index. |
74 | 74 | * |
75 | - * @param mixed $index |
|
75 | + * @param string $index |
|
76 | 76 | */ |
77 | 77 | protected function deleteIndex($index) |
78 | 78 | { |