class="token operator">: </span><a href="https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html">Any</a><span class="token operator">?</span></span></span><span class="token punctuation">)</span></div><div class="symbol monospace"><span class="token keyword">inline </span><span class="token keyword">fun </span><a href="warn.html"><span class="token function">warn</span></a><span class="token punctuation">(</span><span class="parameters "><span class="parameter ">span<span class="token operator