Provider that integrates BoringSSL into the Java platform. Conscrypt
    supports more cipher suites than the JVM’s default provider and may also
    execute more efficiently.

    To use it, first register a [Conscrypt dependency][conscrypt_dependency] in
    your build system.

    OkHttp will use Conscrypt if you set the `okhttp.platform` system property
    to `conscrypt`.

  // +optional
  optional GroupVersionForDiscovery preferredVersion = 3;

  // a map of client CIDR to server address that is serving this group.
  // This is to help clients reach servers in the most network-efficient way possible.
  // Clients can use the appropriate server address as per the CIDR that they match.
  // In case of multiple matches, clients should use the longest matching CIDR.

      }

    /**
     * Configure the protocols used by this client to communicate with remote servers. By default
     * this client will prefer the most efficient transport available, falling back to more
     * ubiquitous protocols. Applications should only call this method to avoid specific
     * compatibility problems, such as web servers that behave incorrectly when HTTP/2 is enabled.