> </span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token operator"> -&gt; </span><a href="https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html">Unit</a><span class="token operator">?</span><span class="token operator"> = </span>{
        Icon(
            imageVector = Icons.Default.KeyboardArrowDown,
            tint = MaterialTheme.colorScheme.onSurface,
            contentDescription = null,
        )
    }</span></span><span class="tok