docs: public String[] getParams(String word) {
          for (Forest forest : forests) {
              if (forest == null) {
                  continue;
              }
              SmartForest<String[]> sf = forest;
              for (int i = 0; i < word.length(); i++) {
                  sf = sf.get(word.charAt(i));
                  if (sf == null) {
                      return null;
                  }
              }
              if (sf.getStatus() > 1) {
                  return sf.getParam();
              } else {
                  return null;
              }
          }
          return null;
      }