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const Arc &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00245.html#acce4f891e39fef226fc1322298f7dded">front</a> () const </td></tr>
<tr class="memdesc:acce4f891e39fef226fc1322298f7dded"><td class="mdescLeft">&#160;</td><td class="mdescRight">The first arc of the path. <br/></td></tr>
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