/usr/share/php/Symfony/Component/ExpressionLanguage/Node/ is in php-symfony-expression-language 3.4.6+dfsg-1.
This file is owned by root:root, with mode 0o755.
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/usr/share/php/Symfony/Component/ExpressionLanguage/Node/ArgumentsNode.php
/usr/share/php/Symfony/Component/ExpressionLanguage/Node/ArrayNode.php
/usr/share/php/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php
/usr/share/php/Symfony/Component/ExpressionLanguage/Node/ConditionalNode.php
/usr/share/php/Symfony/Component/ExpressionLanguage/Node/ConstantNode.php
/usr/share/php/Symfony/Component/ExpressionLanguage/Node/FunctionNode.php
/usr/share/php/Symfony/Component/ExpressionLanguage/Node/GetAttrNode.php
/usr/share/php/Symfony/Component/ExpressionLanguage/Node/NameNode.php
/usr/share/php/Symfony/Component/ExpressionLanguage/Node/Node.php
/usr/share/php/Symfony/Component/ExpressionLanguage/Node/UnaryNode.php