 see whether any DataType we hold references to is
 included in the Stack (which holds all DataType instances that
 directly or indirectly reference this instance, including this
 instance itself).</div>
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<td class="colFirst"><code><a href="../../../../../org/apache/tools/ant/types/Path.html" title="class in org.apache.tools.ant.types">Path</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/types/XMLCatalog.html#getCatalogPath()">g