55 files declare their use of EventSubscriberInterface

AbstractHasDispatcher.php in drupal/core/vendor/guzzle/common/Guzzle/Common/AbstractHasDispatcher.php
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.
ConfigGlobalOverrideSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/ConfigGlobalOverrideSubscriber.php
Contains \Drupal\Core\EventSubscriber\ConfigGlobalOverrideSubscriber.
ConfigImportSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php
Contains \Drupal\Core\EventSubscriber\ConfigImportSubscriber.
ConfigSnapshotSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/ConfigSnapshotSubscriber.php
Contains \Drupal\Core\EventSubscriber\ConfigSnapshotSubscriber.
ContainerAwareEventDispatcherTest.php in drupal/core/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/Tests/ContainerAwareEventDispatcherTest.php
ErrorsLoggerListener.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/ErrorsLoggerListener.php
EsiListener.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/EsiListener.php
EventDispatcherTest.php in drupal/core/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/Tests/EventDispatcherTest.php
ExceptionListener.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/ExceptionListener.php
FinishResponseSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/FinishResponseSubscriber.php
Definition of Drupal\Core\EventSubscriber\FinishResponseSubscriber.
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
HalSubscriber.php in drupal/core/modules/hal/lib/Drupal/hal/HalSubscriber.php
Contains \Drupal\hal\HalSubscriber.
HasDispatcherInterface.php in drupal/core/vendor/guzzle/common/Guzzle/Common/HasDispatcherInterface.php
ImmutableEventDispatcherTest.php in drupal/core/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/Tests/ImmutableEventDispatcherTest.php
IoEmittingEntityBody.php in drupal/core/vendor/guzzle/http/Guzzle/Http/IoEmittingEntityBody.php
KernelDestructionSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/KernelDestructionSubscriber.php
Contains \Drupal\Core\EventSubscriber\KernelDestructionSubscriber.
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.
LegacyControllerSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/LegacyControllerSubscriber.php
Definition of Drupal\Core\EventSubscriber\LegacyControllerSubscriber.
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
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.
MappingSubscriber.php in drupal/core/modules/rdf/lib/Drupal/rdf/EventSubscriber/MappingSubscriber.php
Contains MappingSubscriber.
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
RedirectPlugin.php in drupal/core/vendor/guzzle/http/Guzzle/Http/RedirectPlugin.php
Request.php in drupal/core/vendor/guzzle/http/Guzzle/Http/Message/Request.php
RequestCloseSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/RequestCloseSubscriber.php
Definition of Drupal\Core\EventSubscriber\RequestCloseSubscriber.
RequestDataCollector.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DataCollector/RequestDataCollector.php
ResponseListener.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/ResponseListener.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
RouteSubscriber.php in drupal/core/modules/views/lib/Drupal/views/EventSubscriber/RouteSubscriber.php
Contains \Drupal\views\EventSubscriber\RouteSubscriber.
RouteSubscriber.php in drupal/core/modules/field_ui/lib/Drupal/field_ui/Routing/RouteSubscriber.php
Contains \Drupal\field_ui\Routing\RouteSubscriber.
RouteSubscriber.php in drupal/core/modules/rest/lib/Drupal/rest/EventSubscriber/RouteSubscriber.php
RouteTestSubscriber.php in drupal/core/modules/system/tests/modules/router_test/lib/Drupal/router_test/RouteTestSubscriber.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.
SimpletestHttpRequestSubscriber.php in drupal/core/lib/Drupal/Core/Http/Plugin/SimpletestHttpRequestSubscriber.php
Contains Drupal\Core\Http\Plugin\SimpletestHttpRequestSubscriber
SlaveDatabaseIgnoreSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/SlaveDatabaseIgnoreSubscriber.php
Contains \Drupal\Core\EventSubscriber\SlaveDatabaseIgnoreSubscriber.
StreamedResponseListener.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/StreamedResponseListener.php
SystemConfigSubscriber.php in drupal/core/modules/system/lib/Drupal/system/SystemConfigSubscriber.php
Contains \Drupal\system\SystemConfigSubscriber.
TestClass.php in drupal/core/modules/system/tests/modules/bundle_test/lib/Drupal/bundle_test/TestClass.php
Definition of Drupal\bundle_test\TestClass.
TestMappingSubscriber.php in drupal/core/modules/rdf/tests/rdf_test_mapping/lib/Drupal/rdf_test_mapping/EventSubscriber/TestMappingSubscriber.php
Contains TestMappingSubscriber.
ThemeTestSubscriber.php in drupal/core/modules/system/tests/modules/theme_test/lib/Drupal/theme_test/EventSubscriber/ThemeTestSubscriber.php
Contains \Drupal\theme_test\EventSubscriber\ThemeTestSubscriber.
TraceableEventDispatcher.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php
TraceableEventDispatcherTest.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Debug/TraceableEventDispatcherTest.php
ViewSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/ViewSubscriber.php
Definition of Drupal\Core\EventSubscriber\ViewSubscriber.