docs: static URI updateToSecureConnectionIfNeeded(URI uri, ServiceInstance ribbonServer) {
  		String scheme = uri.getScheme();
  
  		if (StringUtils.isEmpty(scheme)) {
  			scheme = "http";
  		}
  
  		if (!StringUtils.isEmpty(uri.toString())
  				&& unsecureSchemeMapping.containsKey(scheme) && ribbonServer.isSecure()) {
  			return upgradeConnection(uri, unsecureSchemeMapping.get(scheme));
  		}
  		return uri;
  	}