code: protected void addNoCacheHeaders(HttpServletResponse response) {
  		String cacheControlValue = response.getHeader(WebConstants.HEADER_CACHE_CONTROL);
  
  		if (cacheControlValue != null && !cacheControlValue.isEmpty()) {
  			cacheControlValue = cacheControlValue + ", " + WebConstants.CACHE_CONTROL_NO_STORE;
  		} else {
  			cacheControlValue = WebConstants.CACHE_CONTROL_NO_STORE;
  		}
  
  		response.setHeader(WebConstants.HEADER_CACHE_CONTROL, cacheControlValue);
  		response.setHeader(WebConstants.HEADER_PRAGMA, WebConstants.PRAGMA_NO_CACHE);
  	}
docs: Adds header values to avoid caching of the provided response.
  
  @param response