@@ -35,7 +35,7 @@ |
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| 35 | 35 | private $booleanOperation; |
| 36 | 36 | |
| 37 | 37 | /** |
| 38 | - * @return mixed |
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| 38 | + * @return string |
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| 39 | 39 | */ |
| 40 | 40 | public function getBooleanOperation() |
| 41 | 41 | { |