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<tr class="memdesc:a50ebad413c4f157408a0fa49f23212a9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Default constructor.  <br /></td></tr>
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<tr class="memitem:a7af418fb036201d3f85745bef78ce77f" id="r_a7af418fb036201d3f85745bef78ce77f"><td class="memItemLeft" align="right" valign="top">virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a7af