p;&nbsp;&nbsp;</td>      <td class=PType nowrap>uvm_heartbeat_modes&nbsp;</td>
      <td class=PParameter nowrap>mode</td>
      <td class=PDefaultValuePrefix>&nbsp;=&nbsp;</td>
      <td class=PDefaultValue width=100%> UVM_NO_HB_MODE</td>
    </tr>
    <tr>
      <td class=PAfterParameters colspan=5>)</td></tr>
      </table></td></tr>
    </table></blockquote>
<div class=CBody><p>Sets or retrieves the heartbeat mode.&nbsp; The current value for the heartbeat mode is returned.&nbsp; If an argument is speci