
          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<p>first time stamp of the edge </p>
<dl class="section return"><dt>Returns</dt><dd>first time stamp of the edge (second <code>EdgeTypes</code> type) </dd></dl>
<dl class="section remark"><dt>Remarks</dt><dd>the method is disabled if the <code>EdgeTypes</code> list does not contain atleast two fields </dd></dl>

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