web/modules/layout_plugin/src/Annotation/Layout.php

web/modules/layout_plugin/src/Layout.php

web/modules/layout_plugin/src/Plugin/Layout/LayoutBase.php

...modules/layout_plugin/src/Plugin/Layout/LayoutDefault.php

...dules/layout_plugin/src/Plugin/Layout/LayoutInterface.php

...s/layout_plugin/src/Plugin/Layout/LayoutPluginManager.php

...plugin/src/Plugin/Layout/LayoutPluginManagerInterface.php

.../modules/layout_test/config/schema/layout_test.schema.yml

...plugin/tests/modules/layout_test/css/layout-test-1col.css

...plugin/tests/modules/layout_test/css/layout-test-2col.css

...out_plugin/tests/modules/layout_test/layout_test.info.yml

..._plugin/tests/modules/layout_test/layout_test.layouts.yml

...lugin/tests/modules/layout_test/layout_test.libraries.yml

...odules/layout_test/src/Plugin/Layout/LayoutTestPlugin.php

.../modules/layout_test/templates/layout-test-1col.html.twig

.../modules/layout_test/templates/layout-test-2col.html.twig

...odules/layout_test/templates/layout-test-plugin.html.twig

web/modules/layout_plugin/tests/src/Kernel/LayoutTest.php

...odules/layout_plugin/tests/src/Unit/PluginManagerTest.php