he <a href="../../../../io/delta/standalone/types/DataType.html" title="class in io.delta.standalone.types"><code>DataType</code></a> of the result of evaluating this expression.</dd>
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<h4>toString</h4>
<pre>public&nbsp;String&nbsp;toString()</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../io/delta/standalone/expressions/Expression.html#toString--">t