14 files declare their use of ShortcutSet

ConfigTranslationListUiTest.php in core/modules/config_translation/tests/src/Functional/ConfigTranslationListUiTest.php
MigrateShortcutSetTest.php in core/modules/shortcut/tests/src/Kernel/Migrate/d7/MigrateShortcutSetTest.php
NavigationShortcutsBlockTest.php in core/modules/navigation/tests/src/Functional/NavigationShortcutsBlockTest.php
ShortcutCacheTagsTest.php in core/modules/shortcut/tests/src/Functional/ShortcutCacheTagsTest.php
ShortcutLinksTest.php in core/modules/shortcut/tests/src/Functional/ShortcutLinksTest.php
ShortcutResourceTestBase.php in core/modules/shortcut/tests/src/Functional/Rest/ShortcutResourceTestBase.php
ShortcutSetResourceTestBase.php in core/modules/shortcut/tests/src/Functional/Rest/ShortcutSetResourceTestBase.php
ShortcutSetsTest.php in core/modules/shortcut/tests/src/Functional/ShortcutSetsTest.php
ShortcutSetTest.php in core/modules/jsonapi/tests/src/Functional/ShortcutSetTest.php
ShortcutSetValidationTest.php in core/modules/shortcut/tests/src/Kernel/ShortcutSetValidationTest.php
ShortcutsNavigationBlockTest.php in core/modules/navigation/tests/src/Functional/ShortcutsNavigationBlockTest.php
ShortcutTest.php in core/modules/jsonapi/tests/src/Functional/ShortcutTest.php
ShortcutTestBase.php in core/modules/shortcut/tests/src/Functional/ShortcutTestBase.php
SwitchShortcutSet.php in core/modules/shortcut/src/Form/SwitchShortcutSet.php

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.