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