r><td class="mdescLeft">&nbsp;</td><td class="mdescRight">[substitution group exclusions]: the returned value is a bit combination of the subset of { <code>DERIVATION_EXTENSION, DERIVATION_RESTRICTION</code>} or <code>DERIVATION_NONE</code>.  <a href="#3f3c3c3155de4c6170efd04fce86baec"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classXSElementDeclaration.html#8defad78c3aceea078997d61f84c8926">isD