17 files declare their use of ResponseInterface in Auth0 Single Sign On 8.2

BadResponseException.php in vendor/guzzlehttp/guzzle/src/Exception/BadResponseException.php

Client.php in vendor/guzzlehttp/guzzle/src/Client.php

ClientInterface.php in vendor/guzzlehttp/guzzle/src/ClientInterface.php

CookieJar.php in vendor/guzzlehttp/guzzle/src/Cookie/CookieJar.php

CookieJarInterface.php in vendor/guzzlehttp/guzzle/src/Cookie/CookieJarInterface.php

EasyHandle.php in vendor/guzzlehttp/guzzle/src/Handler/EasyHandle.php

functions.php in vendor/guzzlehttp/psr7/src/functions.php

HandlerStack.php in vendor/guzzlehttp/guzzle/src/HandlerStack.php

MessageFormatter.php in vendor/guzzlehttp/guzzle/src/MessageFormatter.php

Middleware.php in vendor/guzzlehttp/guzzle/src/Middleware.php

MockHandler.php in vendor/guzzlehttp/guzzle/src/Handler/MockHandler.php

RedirectMiddleware.php in vendor/guzzlehttp/guzzle/src/RedirectMiddleware.php

RequestException.php in vendor/guzzlehttp/guzzle/src/Exception/RequestException.php

Response.php in vendor/guzzlehttp/psr7/src/Response.php

RetryMiddleware.php in vendor/guzzlehttp/guzzle/src/RetryMiddleware.php

StreamHandler.php in vendor/guzzlehttp/guzzle/src/Handler/StreamHandler.php

TransferStats.php in vendor/guzzlehttp/guzzle/src/TransferStats.php