an class="token keyword">abstract </span><span class="token keyword">fun </span><a href="has-external-parent-of.html"><span class="token function">hasExternalParentOf</span></a><span class="token punctuation">(</span><span class="parameters "><span class="parameter ">names<span class="token operator">: </span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-collection/index.html">Collection</a><span class="token operator">&lt;</span><a href="https://kotlinlang.org/api/latest/jvm/std