|feign.okhttp.enabled | `false` | Enables the use of the OK HTTP Client by Feign.
|feign.oauth2.enabled | `false` | Enables the use OAuth2FeignRequestInterceptor to resolve access token.
|feign.oauth2.load-balanced | `false` | Enables `LoadBalancerInterceptor` or `RetryloadBalancerInterceptor` for `OAuth2FeignRequestInterceptor.accessTokenProvider` to use load balancing when resolving authentication token.