code: public static Config parse(InputStream in) throws XmlPullParserException, IOException {
          try {
              XmlPullParser parser = Xml.newPullParser();
              parser.setInput(in, null);
              parser.nextTag();
              return readFamilies(parser);
          } finally {
              in.close();
          }
      }
docs: /* Parse fallback list (no names)