8 classes are annotated with Layout

BlankLayout in core/modules/layout_builder/src/Plugin/Layout/BlankLayout.php
Provides a layout plugin that produces no output.
LayoutBuilderTestPlugin in core/modules/layout_builder/tests/modules/layout_builder_test/src/Plugin/Layout/LayoutBuilderTestPlugin.php
Plugin annotation @Layout( id = "layout_builder_test_plugin", label = @Translation("Layout Builder Test Plugin"), regions = { "main" = { "label" = @Translation("Main Region") } }, )
LayoutTestDependenciesPlugin in core/modules/system/tests/modules/layout_test/src/Plugin/Layout/LayoutTestDependenciesPlugin.php
Provides a plugin that contains config dependencies.
LayoutTestPlugin in core/modules/system/tests/modules/layout_test/src/Plugin/Layout/LayoutTestPlugin.php
The plugin that handles the default layout template.
LayoutWithoutLabel in core/modules/layout_builder/tests/modules/layout_builder_test/src/Plugin/Layout/LayoutWithoutLabel.php
Layout plugin without a label configuration.
TestContextAwareLayout in core/modules/layout_builder/tests/modules/layout_builder_test/src/Plugin/Layout/TestContextAwareLayout.php
Plugin annotation @Layout( id = "layout_builder_test_context_aware", label = @Translation("Layout Builder Test: Context Aware"), regions = { "main" = { "label" = @Translation("Main Region") } }, context_definitions = { …
TestLayoutContentFooter in core/modules/field_layout/tests/modules/field_layout_test/src/Plugin/Layout/TestLayoutContentFooter.php
Provides an annotated layout plugin for field_layout tests.
TestLayoutMainFooter in core/modules/field_layout/tests/modules/field_layout_test/src/Plugin/Layout/TestLayoutMainFooter.php
Provides an annotated layout plugin for field_layout tests.

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