code: private RxClient.ClientConfig getRxClientConfig(IClientConfig requestConfig) {
          if (requestConfig == null) {
              return DEFAULT_RX_CONFIG;
          }
          int requestReadTimeout = getProperty(IClientConfigKey.Keys.ReadTimeout, requestConfig, 
                                               DefaultClientConfigImpl.DEFAULT_READ_TIMEOUT);
          Boolean followRedirect = getProperty(IClientConfigKey.Keys.FollowRedirects, requestConfig, null);
          HttpClientConfig.Builder builder = new HttpClientConfig.Builder().readTimeout(requestReadTimeout, TimeUnit.MILLISECONDS);
          if (followRedirect != null) {
              builder.setFollowRedirect(followRedirect);
          }
          return builder.build();        
      }
docs: Construct an RxClient.ClientConfig from an IClientConfig
  
  @param requestConfig
  @return