docs: public int getIntHeader(String name)
    {
      if (_header != null)
      {
        int headerVal = _header.getIntHeader(name);
        if (headerVal != -1)
          return headerVal;
      }
      if (this.headerTable != null)
      {
        int i = 0;
        for (Object obj : headerTable[0])
        {
          String strVal = (String) obj;
          if (name.equals(strVal))
          {
            return Integer.valueOf((String) headerTable[1].get(i));
          }
          i++;
        }
      }
      return -1;
    }