 default implementation returns an empty Map.</div>
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<h4>isIncremental</h4>
<pre>public abstract&nbsp;boolean&nbsp;isIncremental()</pre>
<div class="block">Returns whether the Transform can perform incremental work.

 <p>If it does, then the TransformInput may contain a list of changed/removed/added files, unless
 something else triggers a non incremental run.</div>
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