30 files declare their use of Random
- BigPipeRegressionTestController.php in core/modules/ big_pipe/ tests/ modules/ big_pipe_regression_test/ src/ BigPipeRegressionTestController.php 
- BrowserTestBaseTest.php in core/tests/ Drupal/ Tests/ Core/ Test/ BrowserTestBaseTest.php 
- config_entity_static_cache_test.module in core/modules/ config/ tests/ config_entity_static_cache_test/ config_entity_static_cache_test.module 
- Provides configuration entity static cache test helpers.
- EmailItem.php in core/lib/ Drupal/ Core/ Field/ Plugin/ Field/ FieldType/ EmailItem.php 
- EntityResourceTestBase.php in core/modules/ rest/ tests/ src/ Functional/ EntityResource/ EntityResourceTestBase.php 
- EntityTestForm.php in core/modules/ system/ tests/ modules/ entity_test/ src/ EntityTestForm.php 
- FileCacheFactoryTest.php in core/tests/ Drupal/ Tests/ Component/ FileCache/ FileCacheFactoryTest.php 
- FileItem.php in core/modules/ file/ src/ Plugin/ Field/ FieldType/ FileItem.php 
- FileStorageReadOnlyTest.php in core/tests/ Drupal/ Tests/ Component/ PhpStorage/ FileStorageReadOnlyTest.php 
- FileStorageTest.php in core/tests/ Drupal/ Tests/ Component/ PhpStorage/ FileStorageTest.php 
- HtmlTest.php in core/tests/ Drupal/ Tests/ Component/ Utility/ HtmlTest.php 
- ImageItem.php in core/modules/ image/ src/ Plugin/ Field/ FieldType/ ImageItem.php 
- KernelTestBaseTest.php in core/tests/ Drupal/ KernelTests/ KernelTestBaseTest.php 
- LinkItem.php in core/modules/ link/ src/ Plugin/ Field/ FieldType/ LinkItem.php 
- MailTest.php in core/modules/ system/ tests/ src/ Kernel/ Mail/ MailTest.php 
- MTimeProtectedFileStorageBase.php in core/tests/ Drupal/ Tests/ Component/ PhpStorage/ MTimeProtectedFileStorageBase.php 
- PathItem.php in core/modules/ path/ src/ Plugin/ Field/ FieldType/ PathItem.php 
- PhpStorageTestBase.php in core/tests/ Drupal/ Tests/ Component/ PhpStorage/ PhpStorageTestBase.php 
- PhpTransliterationTest.php in core/tests/ Drupal/ Tests/ Component/ Transliteration/ PhpTransliterationTest.php 
- PhpTransliterationTest.php in core/tests/ Drupal/ Tests/ Core/ Transliteration/ PhpTransliterationTest.php 
- Random.php in core/tests/ Drupal/ TestTools/ Random.php 
- RandomTest.php in core/tests/ Drupal/ Tests/ Component/ Utility/ RandomTest.php 
- ResourceTestBase.php in core/modules/ jsonapi/ tests/ src/ Functional/ ResourceTestBase.php 
- StringItem.php in core/lib/ Drupal/ Core/ Field/ Plugin/ Field/ FieldType/ StringItem.php 
- StringLongItem.php in core/lib/ Drupal/ Core/ Field/ Plugin/ Field/ FieldType/ StringLongItem.php 
- TextItemBase.php in core/modules/ text/ src/ Plugin/ Field/ FieldType/ TextItemBase.php 
- UnitTestCaseTest.php in core/tests/ Drupal/ Tests/ UnitTestCaseTest.php 
- UriItem.php in core/lib/ Drupal/ Core/ Field/ Plugin/ Field/ FieldType/ UriItem.php 
- UserAgentTest.php in core/tests/ Drupal/ Tests/ Component/ Utility/ UserAgentTest.php 
- UserNameItem.php in core/modules/ user/ src/ UserNameItem.php 
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