7 files declare their use of TfaValidationPluginManager in Two-factor Authentication (TFA) 8

BasicOverview.php in src/Form/BasicOverview.php

BasicSetup.php in src/Form/BasicSetup.php

EntryForm.php in src/Form/EntryForm.php

GenericValidation.php in services_tfa/src/Plugin/ServiceDefinition/GenericValidation.php

SettingsForm.php in src/Form/SettingsForm.php

TfaContextTest.php in tests/src/Unit/TfaContextTest.php

TfaLoginForm.php in src/Form/TfaLoginForm.php