} else {
                proxy = Proxy.NO_PROXY;
            }
            propMap.put(HTML_PROXY, proxy);
        }
        return proxy;
    }

    String getThumbnailHtmlImageExcludeExtensions();

    default boolean isThumbnailHtmlImageUrl(final String url) {
        if (StringUtil.isBlank(url)) {
            return false;
        }