27 files declare their use of UuidInterface

AddComponent.php in core/modules/layout_builder/src/Plugin/ConfigAction/AddComponent.php
AddNavigationBlock.php in core/modules/navigation/src/Plugin/ConfigAction/AddNavigationBlock.php
BaseFieldOverrideStorage.php in core/lib/Drupal/Core/Field/BaseFieldOverrideStorage.php
BlockConfigEntityUnitTest.php in core/modules/block/tests/src/Unit/BlockConfigEntityUnitTest.php
ConfigEntityBaseUnitTest.php in core/tests/Drupal/Tests/Core/Config/Entity/ConfigEntityBaseUnitTest.php
ConfigEntityStorage.php in core/lib/Drupal/Core/Config/Entity/ConfigEntityStorage.php
ConfigEntityStorageTest.php in core/tests/Drupal/Tests/Core/Config/Entity/ConfigEntityStorageTest.php
ConfigureBlockFormBase.php in core/modules/layout_builder/src/Form/ConfigureBlockFormBase.php
ContentEntityBaseUnitTest.php in core/tests/Drupal/Tests/Core/Entity/ContentEntityBaseUnitTest.php
ContentLanguageSettingsUnitTest.php in core/modules/language/tests/src/Unit/ContentLanguageSettingsUnitTest.php
EditorConfigEntityUnitTest.php in core/modules/editor/tests/src/Unit/EditorConfigEntityUnitTest.php
EntityAdapterUnitTest.php in core/tests/Drupal/Tests/Core/Entity/TypedData/EntityAdapterUnitTest.php
EntityDisplayModeBaseUnitTest.php in core/tests/Drupal/Tests/Core/Config/Entity/EntityDisplayModeBaseUnitTest.php
EntityFormDisplayAccessControlHandlerTest.php in core/tests/Drupal/Tests/Core/Entity/Access/EntityFormDisplayAccessControlHandlerTest.php
EntityTestUuidId.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTestUuidId.php
EntityUnitTest.php in core/tests/Drupal/Tests/Core/Entity/EntityUnitTest.php
FieldConfigEntityUnitTest.php in core/modules/field/tests/src/Unit/FieldConfigEntityUnitTest.php
FieldConfigStorage.php in core/modules/field/src/FieldConfigStorage.php
FieldStorageConfigAccessControlHandlerTest.php in core/modules/field/tests/src/Unit/FieldStorageConfigAccessControlHandlerTest.php
FieldStorageConfigEntityUnitTest.php in core/modules/field/tests/src/Unit/FieldStorageConfigEntityUnitTest.php
FieldStorageConfigStorage.php in core/modules/field/src/FieldStorageConfigStorage.php
InputTest.php in core/tests/Drupal/KernelTests/Core/Recipe/InputTest.php
KeyValueEntityStorage.php in core/lib/Drupal/Core/Entity/KeyValueStore/KeyValueEntityStorage.php
KeyValueEntityStorageTest.php in core/tests/Drupal/Tests/Core/Entity/KeyValueStore/KeyValueEntityStorageTest.php
LayoutBuilderTestThemeHooks.php in core/modules/layout_builder/tests/modules/layout_builder_test/src/Hook/LayoutBuilderTestThemeHooks.php
ShortcutSetStorage.php in core/modules/shortcut/src/ShortcutSetStorage.php
UuidTest.php in core/tests/Drupal/Tests/Component/Uuid/UuidTest.php

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