16 files declare their use of DescriptionTemplateTrait in Examples for Developers 8

AjaxExampleController.php in ajax_example/src/Controller/AjaxExampleController.php

BlockExampleController.php in block_example/src/Controller/BlockExampleController.php

FieldExampleController.php in field_example/src/Controller/FieldExampleController.php

HooksExampleController.php in hooks_example/src/Controller/HooksExampleController.php

JsExampleController.php in js_example/src/Controller/JsExampleController.php

MenuExampleController.php in menu_example/src/Controller/MenuExampleController.php

NodeTypeExampleController.php in node_type_example/src/Controller/NodeTypeExampleController.php

Page.php in form_api_example/src/Controller/Page.php

PageExampleController.php in page_example/src/Controller/PageExampleController.php

PHPUnitExampleController.php in phpunit_example/src/Controller/PHPUnitExampleController.php

RenderExampleController.php in render_example/src/Controller/RenderExampleController.php

RobotListBuilder.php in config_entity_example/src/Controller/RobotListBuilder.php

SampleExampleController.php in tests/modules/examples_description_test/src/Controller/SampleExampleController.php

TableDragExampleController.php in tabledrag_example/src/Controller/TableDragExampleController.php

TestingExampleController.php in testing_example/src/Controller/TestingExampleController.php

TourExampleController.php in tour_example/src/Controller/TourExampleController.php