8 files declare their use of Response in Zircon Profile 8

BrowserKitDriver.php in vendor/behat/mink-browserkit-driver/src/BrowserKitDriver.php

Client.php in vendor/symfony/http-kernel/Client.php

Client.php in vendor/fabpot/goutte/Goutte/Client.php

Client.php in vendor/behat/mink-goutte-driver/src/Goutte/Client.php

ClientTest.php in vendor/symfony/browser-kit/Tests/ClientTest.php

CookieJarTest.php in vendor/symfony/browser-kit/Tests/CookieJarTest.php

ErrorHandlingTest.php in vendor/behat/mink-browserkit-driver/tests/Custom/ErrorHandlingTest.php

ResponseTest.php in vendor/symfony/browser-kit/Tests/ResponseTest.php