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Add generic types to traversable implementations
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Crawler.php

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@@ -18,6 +18,8 @@
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* Crawler eases navigation of a list of \DOMNode objects.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @implements \IteratorAggregate<int, \DOMNode>
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*/
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class Crawler implements \Countable, \IteratorAggregate
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{
@@ -1129,7 +1131,7 @@ public function count()
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}
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/**
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* @return \ArrayIterator|\DOMNode[]
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* @return \ArrayIterator<int, \DOMNode>
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*/
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#[\ReturnTypeWillChange]
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public function getIterator()

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