ml#setSpecificationVersion(java.lang.String)">setSpecificationVersion</a></strong>(java.lang.String&nbsp;specificationVersion)</code>
<div class="block">Set the specificationVersion of extension.</div>
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<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/tools/ant/taskdefs/optional/extension/ExtensionAdapter.html#toString()">toString</a></strong>()</code>
<div class="block">a debug toString method