docs: private static <T extends RepresentationModel<?>> HttpHeaders getHeadersWithLinks(ResponseEntity<T> entity) {
  
  		T body = entity.getBody();
  
  		Links links = body != null ? body.getLinks() : Links.NONE;
  
  		HttpHeaders httpHeaders = new HttpHeaders();
  		httpHeaders.putAll(entity.getHeaders());
  		httpHeaders.add("Link", links.toString());
  
  		return httpHeaders;
  	}