437b910c52634344">XSConstants::DERIVATION_TYPE</a>&nbsp;</td>
          <td class="paramname"> <em>disallowed</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
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<p>
Convenience method. 
<p>
Check if <code>disallowed</code> is a disallowed substitution for this element declaration. <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>di