eparator" colspan="2">&#160;</td></tr>
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<h2 class="groupheader">Field Documentation</h2>
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          <td class="memname"><a class="el" href="group__Upgrade__APIs.html#ga2897893fe6b22f7cd3159e57370dee7d">upgrade_states_check_callback</a> check_cb</td>
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<p>callback of upgrading </p>

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