22 files declare their use of AccessInterface

AccessCheck.php in core/modules/system/tests/modules/menu_test/src/Access/AccessCheck.php
AccessCheckInterface.php in core/lib/Drupal/Core/Access/AccessCheckInterface.php
CheckProvider.php in core/lib/Drupal/Core/Access/CheckProvider.php
CronAccessCheck.php in core/modules/system/src/Access/CronAccessCheck.php
CsrfAccessCheck.php in core/lib/Drupal/Core/Access/CsrfAccessCheck.php
CustomAccessCheck.php in core/lib/Drupal/Core/Access/CustomAccessCheck.php
DbUpdateAccessCheck.php in core/modules/system/src/Access/DbUpdateAccessCheck.php
DefaultAccessCheck.php in core/lib/Drupal/Core/Access/DefaultAccessCheck.php
DefinedTestAccessCheck.php in core/modules/system/tests/modules/router_test_directory/src/Access/DefinedTestAccessCheck.php
EntityAccessCheck.php in core/lib/Drupal/Core/Entity/EntityAccessCheck.php
EntityCreateAccessCheck.php in core/lib/Drupal/Core/Entity/EntityCreateAccessCheck.php
EntityCreateAnyAccessCheck.php in core/lib/Drupal/Core/Entity/EntityCreateAnyAccessCheck.php
EntityDeleteMultipleAccessCheck.php in core/lib/Drupal/Core/Entity/EntityDeleteMultipleAccessCheck.php
FieldReuseAccessCheck.php in core/modules/field_ui/src/Access/FieldReuseAccessCheck.php
LoginStatusCheck.php in core/modules/user/src/Access/LoginStatusCheck.php
PermissionAccessCheck.php in core/modules/user/src/Access/PermissionAccessCheck.php
RegisterAccessCheck.php in core/modules/user/src/Access/RegisterAccessCheck.php
RoleAccessCheck.php in core/modules/user/src/Access/RoleAccessCheck.php
SystemAdminMenuBlockAccessCheck.php in core/modules/system/src/Access/SystemAdminMenuBlockAccessCheck.php
TestAccessCheck.php in core/modules/system/tests/modules/router_test_directory/src/Access/TestAccessCheck.php
ThemeAccessCheck.php in core/lib/Drupal/Core/Theme/ThemeAccessCheck.php
UpdateManagerAccessCheck.php in core/modules/update/src/Access/UpdateManagerAccessCheck.php

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