@@ -481,8 +481,8 @@ |
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481 | 481 | } |
482 | 482 | |
483 | 483 | /** |
484 | - * @param $leftNullableExpTree |
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485 | - * @param $rightNullableExpTree |
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484 | + * @param null|AbstractExpression $leftNullableExpTree |
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485 | + * @param AbstractExpression|null $rightNullableExpTree |
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486 | 486 | * @return null|AbstractExpression |
487 | 487 | */ |
488 | 488 | private function calculateResultExpression($leftNullableExpTree, $rightNullableExpTree) |