@@ -52,7 +52,7 @@ |
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| 52 | 52 | * |
| 53 | 53 | * @param $key |
| 54 | 54 | * |
| 55 | - * @return mixed |
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| 55 | + * @return string |
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| 56 | 56 | */ |
| 57 | 57 | private function camelCase($key) |
| 58 | 58 | { |