code: private static String renderRange(String name, Node<PluralType> node) {
      if (node.type() == PluralType.RANGE) {
        Struct<PluralType> range = node.asStruct();
        int start = (Integer) range.nodes().get(0).asAtom().value();
        int end = (Integer) range.nodes().get(1).asAtom().value();
          return String.format("(%s >= %d && %s <= %d)", name, start, name, end);
      }
      return String.format("(%s == %s)", name, node.asAtom().value());
    }
docs: Render a the range segment of an expression.