 <td>int32</td>
            <td>int</td>
            <td>int</td>
            <td>int32</td>
            <td>int</td>
            <td>integer</td>
            <td>Bignum or Fixnum (as required)</td>
          </tr>
        
          <tr id="sfixed64">
            <td>sfixed64</td>
            <td>Always eight bytes.</td>
            <td>int64</td>
            <td>long</td>
            <td>int/long</td>
            <td>int64</td>
            <td>long</td>
            <td>integer/string</td>
            <td>