 title="class in org.apache.tools.ant">BuildException</a></code> - if this instance already has been configured.</dd></dl>
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<h4>toString</h4>
<pre>public&nbsp;java.lang.String&nbsp;toString()</pre>
<div class="block">a debug toString method.</div>
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<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../../../org/apache/tools/ant/types/DataType.html#toString()">toString</a></code>&nbsp;in cl