api-servlet/src/main/java/org/ocpsoft/rewrite/servlet/util/QueryStringBuilder.java
public static QueryStringBuilder createFromLists(final Map<String, List<String>> params)
   {
      return QueryStringBuilder.createNew().addParameterLists(params);
   }
public static QueryStringBuilder createFromLists(final Map<String, List<String>> params)
   {
      return QueryStringBuilder.createNew().addParameterLists(params);
   }
Build a query string from the given map of name=value pairs. For parameters with more than one value, each value
will be appended using the same name.