@@ -41,7 +41,7 @@ |
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41 | 41 | } |
42 | 42 | |
43 | 43 | /** |
44 | - * @return mixed |
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44 | + * @return string |
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45 | 45 | */ |
46 | 46 | public function getExpression() { |
47 | 47 | return $this->expression; |