We are trying to convert to using the RestClientBuilder for our type-safe proxies, but we're noticing that it doesn't appear to support the AsyncHTTPConduit.USE_ASYNC property when we set it to true. One reason we set this is to allow us to send more headers on our calls (the JDK one seems too restrictive). Our Zipkin headers don't appear to propagate when we switch to using a proxy generated via RestClientBuilder. Is there a different way we need to register this property?
Thanks, James
