29 files declare their use of GetResponseEvent

AccessSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/AccessSubscriber.php
Contains Drupal\Core\EventSubscriber\AccessSubscriber.
AjaxSubscriber.php in drupal/core/lib/Drupal/Core/Ajax/AjaxSubscriber.php
Contains \Drupal\Core\Ajax\AjaxSubscriber.
BanSubscriber.php in drupal/core/modules/ban/lib/Drupal/ban/EventSubscriber/BanSubscriber.php
Definition of Drupal\ban\EventSubscriber\BanSubscriber.
FormTestEventSubscriber.php in drupal/core/modules/system/tests/modules/form_test/lib/Drupal/form_test/EventSubscriber/FormTestEventSubscriber.php
Contains \Drupal\form_test\EventSubscriber\FormTestEventSubscriber.
FragmentListener.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/FragmentListener.php
FragmentListenerTest.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/EventListener/FragmentListenerTest.php
HalSubscriber.php in drupal/core/modules/hal/lib/Drupal/hal/HalSubscriber.php
Contains \Drupal\hal\HalSubscriber.
HttpKernel.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpKernel.php
IgnoreSlaveSubscriberTest.php in drupal/core/modules/system/lib/Drupal/system/Tests/System/IgnoreSlaveSubscriberTest.php
LanguageRequestSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/LanguageRequestSubscriber.php
Contains \Drupal\Core\EventSubscriber\LanguageRequestSubscriber.
LegacyAccessSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/LegacyAccessSubscriber.php
Contains Drupal\Core\EventSubscriber\LegacyAccessSubscriber.
LegacyRequestSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/LegacyRequestSubscriber.php
Definition of Drupal\Core\EventSubscriber\LegacyRequestSubscriber.
LocaleConfigSubscriber.php in drupal/core/modules/locale/lib/Drupal/locale/LocaleConfigSubscriber.php
Contains \Drupal\locale\LocaleConfigSubscriber.
LocaleListener.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/LocaleListener.php
LocaleListenerTest.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/EventListener/LocaleListenerTest.php
MaintenanceModeSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/MaintenanceModeSubscriber.php
Contains \Drupal\Core\EventSubscriber\MaintenanceModeSubscriber.
MaintenanceModeSubscriber.php in drupal/core/modules/user/lib/Drupal/user/EventSubscriber/MaintenanceModeSubscriber.php
Contains \Drupal\user\EventSubscriber\MaintenanceModeSubscriber.
MaintenanceModeSubscriber.php in drupal/core/modules/system/tests/modules/menu_test/lib/Drupal/menu_test/EventSubscriber/MaintenanceModeSubscriber.php
Contains \Drupal\menu_test\EventSubscriber\MaintenanceModeSubscriber.
OverlaySubscriber.php in drupal/core/modules/overlay/lib/Drupal/overlay/EventSubscriber/OverlaySubscriber.php
Contains \Drupal\overlay\EventSubscriber\OverlaySubscriber.
PathSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/PathSubscriber.php
Definition of Drupal\Core\EventSubscriber\PathSubscriber.
ProfilerListener.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/ProfilerListener.php
ReverseProxySubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/ReverseProxySubscriber.php
Contains \Drupal\Core\EventSubscriber\ReverseProxySubscriber.
RouterListener.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/RouterListener.php
RouterListenerTest.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/EventListener/RouterListenerTest.php
SessionTestSubscriber.php in drupal/core/modules/system/tests/modules/session_test/lib/Drupal/session_test/EventSubscriber/SessionTestSubscriber.php
Contains \Drupal\session_test\EventSubscriber\SessionTestSubscriber.
SlaveDatabaseIgnoreSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/SlaveDatabaseIgnoreSubscriber.php
Contains \Drupal\Core\EventSubscriber\SlaveDatabaseIgnoreSubscriber.
TestClass.php in drupal/core/modules/system/tests/modules/bundle_test/lib/Drupal/bundle_test/TestClass.php
Definition of Drupal\bundle_test\TestClass.
ThemeTestSubscriber.php in drupal/core/modules/system/tests/modules/theme_test/lib/Drupal/theme_test/EventSubscriber/ThemeTestSubscriber.php
Contains \Drupal\theme_test\EventSubscriber\ThemeTestSubscriber.
TraceableEventDispatcherTest.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Debug/TraceableEventDispatcherTest.php