docs: public static String decode(String content) {
  
  		// return content;
  		if (content == null || content.length() == 0) {
  			return content;
  		}
  		else {
  			byte[] decodeQueryString = org.apache.commons.codec.binary.Base64.decodeBase64(content);
  			return new String(decodeQueryString);
  		}
  
  	}