/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/ is in php-symfony-framework-bundle 2.8.7+dfsg-1.3+deb9u1.
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/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddCacheClearerPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddCacheWarmerPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddConsoleCommandPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddConstraintValidatorsPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddExpressionLanguageProvidersPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddValidatorInitializersPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/CompilerDebugDumpPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/ConfigCachePass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/ContainerBuilderDebugDumpPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/FormPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/FragmentRendererPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/LoggingTranslatorPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/ProfilerPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/PropertyInfoPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/RoutingResolverPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/SerializerPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/TemplatingAssetHelperPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/TemplatingPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/TranslationDumperPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/TranslationExtractorPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/TranslatorPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/UnusedTagsPass.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php