Even though this is changing static classes to regular classes, it's only touching internal classes so shouldn't realy introduce a breaking change for anyone.
Testing
Please describe how this can be tested by reviewers. Be specific about anything not tested and reasons why. If this library has unit and/or integration testing, tests should be added for new functionality and existing tests should complete without errors.
[x] This change adds unit test coverage
[ ] This change adds integration test coverage
[x] This change has been tested on the latest version of the platform/language or why not
Changes
This PR ensures we use the Backchannel for retrieving the Oidc Configuration, which is useful in situations where proxies are used or any reason where you are unable to use the default HttpMessageHandler. An example would be for Android and programmatically setting the AndroidClientHandler as per https://community.auth0.com/t/introduction-of-additional-certificate-authorities-xamarin-on-android-failure-guidance/97583
Even though this is changing static classes to regular classes, it's only touching internal classes so shouldn't realy introduce a breaking change for anyone.
Testing
Please describe how this can be tested by reviewers. Be specific about anything not tested and reasons why. If this library has unit and/or integration testing, tests should be added for new functionality and existing tests should complete without errors.
Checklist