code: func isClientCertEnabledForHost(c *Client, host string) bool {
  	_, hostSslKeyOk := c.uc.Get("http", fmt.Sprintf("https://%v/", host), "sslKey")
  	_, hostSslCertOk := c.uc.Get("http", fmt.Sprintf("https://%v/", host), "sslCert")
  
  	return hostSslKeyOk && hostSslCertOk
  }
docs: // isClientCertEnabledForHost returns whether client certificate
  // are configured for the given host