25 files declare their use of AjaxResponse in Zircon Profile 8

AjaxRenderer.php in core/lib/Drupal/Core/Render/MainContent/AjaxRenderer.php

Contains \Drupal\Core\Render\MainContent\AjaxRenderer.

AjaxResponseSubscriber.php in core/lib/Drupal/Core/EventSubscriber/AjaxResponseSubscriber.php

Contains \Drupal\Core\EventSubscriber\AjaxResponseSubscriber.

AjaxResponseTest.php in core/tests/Drupal/Tests/Core/Ajax/AjaxResponseTest.php

Contains \Drupal\Tests\Core\Ajax\AjaxResponseTest.

AjaxTestController.php in core/modules/system/tests/modules/ajax_test/src/Controller/AjaxTestController.php

Contains \Drupal\ajax_test\Controller\AjaxTestController.

AjaxTestDialogForm.php in core/modules/system/tests/modules/ajax_test/src/Form/AjaxTestDialogForm.php

Contains \Drupal\ajax_test\Form\AjaxTestDialogForm.

ajax_forms_test.module in core/modules/system/tests/modules/ajax_forms_test/ajax_forms_test.module

Simpletest mock module for Ajax forms testing.

Callbacks.php in core/modules/system/tests/modules/ajax_forms_test/src/Callbacks.php

Contains \Drupal\ajax_forms_test\Callbacks.

CommandsTest.php in core/modules/system/src/Tests/Ajax/CommandsTest.php

Contains \Drupal\system\Tests\Ajax\CommandsTest.

DialogRenderer.php in core/lib/Drupal/Core/Render/MainContent/DialogRenderer.php

Contains \Drupal\Core\Render\MainContent\DialogRenderer.

EarlyRenderingControllerWrapperSubscriber.php in core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php

Contains \Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber.

EarlyRenderingTestController.php in core/modules/system/tests/modules/early_rendering_controller_test/src/EarlyRenderingTestController.php

Contains \Drupal\early_rendering_controller_test\EarlyRenderingTestController.

EditorController.php in core/modules/editor/src/EditorController.php

Contains \Drupal\editor\EditorController.

EditorImageDialog.php in core/modules/editor/src/Form/EditorImageDialog.php

Contains \Drupal\editor\Form\EditorImageDialog.

EditorLinkDialog.php in core/modules/editor/src/Form/EditorLinkDialog.php

Contains \Drupal\editor\Form\EditorLinkDialog.

FormAjaxResponseBuilder.php in core/lib/Drupal/Core/Form/FormAjaxResponseBuilder.php

Contains \Drupal\Core\Form\FormAjaxResponseBuilder.

FormAjaxResponseBuilderTest.php in core/tests/Drupal/Tests/Core/Form/FormAjaxResponseBuilderTest.php

Contains \Drupal\Tests\Core\Form\FormAjaxResponseBuilderTest.

FormAjaxSubscriber.php in core/lib/Drupal/Core/Form/EventSubscriber/FormAjaxSubscriber.php

Contains \Drupal\Core\Form\EventSubscriber\FormAjaxSubscriber.

ManagedFile.php in core/modules/file/src/Element/ManagedFile.php

Contains \Drupal\file\Element\ManagedFile.

ModalRenderer.php in core/lib/Drupal/Core/Render/MainContent/ModalRenderer.php

Contains \Drupal\Core\Render\MainContent\ModalRenderer.

QuickEditController.php in core/modules/quickedit/src/QuickEditController.php

Contains \Drupal\quickedit\QuickEditController.

ToolbarController.php in core/modules/toolbar/src/Controller/ToolbarController.php

Contains \Drupal\toolbar\Controller\ToolbarController.

ViewAjaxResponse.php in core/modules/views/src/Ajax/ViewAjaxResponse.php

Contains \Drupal\views\Ajax\ViewAjaxResponse.

ViewEditForm.php in core/modules/views_ui/src/ViewEditForm.php

Contains \Drupal\views_ui\ViewEditForm.

ViewsFormBase.php in core/modules/views_ui/src/Form/Ajax/ViewsFormBase.php

Contains \Drupal\views_ui\Form\Ajax\ViewsFormBase.

ViewsUIController.php in core/modules/views_ui/src/Controller/ViewsUIController.php

Contains \Drupal\views_ui\Controller\ViewsUIController.