/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/ is in php-symfony-framework-bundle 2.8.7+dfsg-1.3+deb9u1.
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/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/AbstractConfigCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/AssetsInstallCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/CacheClearCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/CacheWarmupCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/ConfigDebugCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/ConfigDumpReferenceCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/ContainerAwareCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/ContainerDebugCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/EventDispatcherDebugCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/RouterApacheDumperCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/RouterDebugCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/RouterMatchCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/ServerCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/ServerRunCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/ServerStartCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/ServerStatusCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/ServerStopCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/TranslationDebugCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/TranslationUpdateCommand.php
/usr/share/php/Symfony/Bundle/FrameworkBundle/Command/YamlLintCommand.php