#125; |</td></tr>
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<td valign="baseline" colspan="1" align="left"></td><td valign="baseline" colspan="1" align="left"> &#123;<code>:type</code> <var>type-specifier</var>&#125; </td></tr>
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<nobr><var>class-option</var> ::=</nobr>
</td><td valign="baseline" colspan="1" align="left"> <code>(:abstract</code> <var>boolean</var><code>)</code> |</td></tr