15 files declare their use of LayoutBuilderEntityViewDisplay in Drupal 9

DefaultsSectionStorageTest.php in core/modules/layout_builder/tests/src/Kernel/DefaultsSectionStorageTest.php

InlineBlockTest.php in core/modules/layout_builder/tests/src/FunctionalJavascript/InlineBlockTest.php

LayoutBuilderAccessTest.php in core/modules/layout_builder/tests/src/Functional/LayoutBuilderAccessTest.php

LayoutBuilderContentModerationIntegrationTest.php in core/modules/content_moderation/tests/src/Functional/LayoutBuilderContentModerationIntegrationTest.php

LayoutBuilderEntityViewDisplayTest.php in core/modules/layout_builder/tests/src/Kernel/LayoutBuilderEntityViewDisplayTest.php

LayoutBuilderPrepareLayoutTest.php in core/modules/layout_builder/tests/src/Functional/LayoutBuilderPrepareLayoutTest.php

LayoutBuilderTest.php in core/modules/layout_builder/tests/src/Functional/LayoutBuilderTest.php

LayoutEntityHelperTraitTest.php in core/modules/layout_builder/tests/src/Kernel/LayoutEntityHelperTraitTest.php

LayoutSectionItemListTest.php in core/modules/layout_builder/tests/src/Kernel/LayoutSectionItemListTest.php

LayoutSectionTest.php in core/modules/layout_builder/tests/src/Functional/LayoutSectionTest.php

layout_builder.install in core/modules/layout_builder/layout_builder.install

Contains install and update functions for Layout Builder.

layout_builder.module in core/modules/layout_builder/layout_builder.module

Provides hook implementations for Layout Builder.

OverridesSectionStorage.php in core/modules/layout_builder/src/Plugin/SectionStorage/OverridesSectionStorage.php

OverridesSectionStorageTest.php in core/modules/layout_builder/tests/src/Kernel/OverridesSectionStorageTest.php

TranslatableFieldTest.php in core/modules/layout_builder/tests/src/Kernel/TranslatableFieldTest.php