d>int</td>
            <td>int32</td>
            <td>int</td>
            <td>integer</td>
            <td>Bignum or Fixnum (as required)</td>
          </tr>
        
          <tr id="int64">
            <td>int64</td>
            <td>Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint64 instead.</td>
            <td>int64</td>
            <td>long</td>
            <td>int/long</td>
            <td>int64</td>
            <