7 methods override AuthenticationProviderInterface::authenticate()

Auth::authenticate in core/modules/locale/tests/modules/early_translation_test/src/Auth.php
AuthenticationManager::authenticate in core/lib/Drupal/Core/Authentication/AuthenticationManager.php
BasicAuth::authenticate in core/modules/basic_auth/src/Authentication/Provider/BasicAuth.php
Cookie::authenticate in core/modules/user/src/Authentication/Provider/Cookie.php
TestAuth::authenticate in core/modules/rest/tests/modules/rest_test/src/Authentication/Provider/TestAuth.php
TestAuthenticationProvider::authenticate in core/tests/Drupal/Tests/Core/Authentication/AuthenticationCollectorTest.php
TestAuthGlobal::authenticate in core/modules/rest/tests/modules/rest_test/src/Authentication/Provider/TestAuthGlobal.php

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