20 files declare their use of AccessCheckInterface

AccessManagerTest.php in drupal/core/tests/Drupal/Tests/Core/Access/AccessManagerTest.php
Contains \Drupal\Tests\Core\Access\AccessManagerTest.
CronAccessCheck.php in drupal/core/modules/system/lib/Drupal/system/Access/CronAccessCheck.php
Contains Drupal\system\Access\CronAccessCheck.
CSRFAccessCheck.php in drupal/core/modules/rest/lib/Drupal/rest/Access/CSRFAccessCheck.php
Contains Drupal\rest\Access\CSRFAccessCheck.
DefinedTestAccessCheck.php in drupal/core/modules/system/tests/modules/router_test/lib/Drupal/router_test/Access/DefinedTestAccessCheck.php
Contains \Drupal\router_test\Access\DefinedTestAccessCheck.
DeleteLinkAccessCheck.php in drupal/core/modules/menu/lib/Drupal/menu/Access/DeleteLinkAccessCheck.php
Contains \Drupal\menu\Access\DeleteLinkAccessCheck.
DeleteMenuAccessCheck.php in drupal/core/modules/menu/lib/Drupal/menu/Access/DeleteMenuAccessCheck.php
Contains \Drupal\menu\Access\DeleteMenuAccessCheck.
EditEntityFieldAccessCheck.php in drupal/core/modules/edit/lib/Drupal/edit/Access/EditEntityFieldAccessCheck.php
Contains \Drupal\edit\Access\EditEntityFieldAccessCheck.
EntityAccessCheck.php in drupal/core/lib/Drupal/Core/Entity/EntityAccessCheck.php
Contains \Drupal\Core\Entity\EntityAccessCheck.
FilterAccessCheck.php in drupal/core/modules/filter/lib/Drupal/filter/Access/FilterAccessCheck.php
Contains \Drupal\filter\Access\FilterAccessCheck.
FormatDisableCheck.php in drupal/core/modules/filter/lib/Drupal/filter/Access/FormatDisableCheck.php
Contains \Drupal\filter\Access\FormatDisableCheck.
LinkDeleteAccessCheck.php in drupal/core/modules/shortcut/lib/Drupal/shortcut/Access/LinkDeleteAccessCheck.php
Contains Drupal\shortcut\Access\LinkDeleteAccessCheck.
LoginStatusCheck.php in drupal/core/modules/user/lib/Drupal/user/Access/LoginStatusCheck.php
Contains \Drupal\user\Access\LoginStatusCheck.
PermissionAccessCheck.php in drupal/core/modules/user/lib/Drupal/user/Access/PermissionAccessCheck.php
Contains Drupal\user\Access\PermissionAccessCheck.
RegisterAccessCheck.php in drupal/core/modules/user/lib/Drupal/user/Access/RegisterAccessCheck.php
Contains Drupal\user\Access\RegisterAccessCheck.
RoleAccessCheck.php in drupal/core/modules/user/lib/Drupal/user/Access/RoleAccessCheck.php
Contains \Drupal\user\Access\RoleAccessCheck.
RoleAccessCheckTest.php in drupal/core/tests/Drupal/Tests/Core/Route/RoleAccessCheckTest.php
Contains \Drupal\Tests\Core\Route\RoleAccessCheckTest.
SubtreeAccess.php in drupal/core/modules/toolbar/lib/Drupal/toolbar/Access/SubtreeAccess.php
Contains \Drupal\toolbar\Access\SubtreeAccess.
TestAccessCheck.php in drupal/core/modules/system/tests/modules/router_test/lib/Drupal/router_test/Access/TestAccessCheck.php
Contains Drupal\router_test\Access\TestAccessCheck.
ViewModeAccessCheck.php in drupal/core/modules/field_ui/lib/Drupal/field_ui/Access/ViewModeAccessCheck.php
Contains \Drupal\field_ui\Access\ViewModeAccessCheck.
ViewsAccessCheck.php in drupal/core/modules/views/lib/Drupal/views/ViewsAccessCheck.php
Contains \Drupal\views\ViewsAccessCheck.