public void next(final String value) {
      if (value == null) {
        return;
      }
      if (myCommon == null) {
        myCommon = value;
        return;
      }

      if (value.startsWith(myCommon)) {
        return;
      }

      myCommon = Url.getCommonAncestor(myCommon, value);
    }
public void next(final String value)