docs: public static List<String> getCommaSeparatedStringValues(String paramValue, String type) {
          List<String> commaSeparatedProps = Lists.newArrayList();
          for(String url: Utils.COMMA_SEP.split(paramValue.trim()))
              if(url.trim().length() > 0)
                  commaSeparatedProps.add(url);
  
          if(commaSeparatedProps.size() == 0) {
              throw new RuntimeException("Number of " + type + " should be greater than zero");
          }
          return commaSeparatedProps;
      }