t((kotlin.Char)))/alphabet">alphabet</span><span class="symbol">:</span>&nbsp;<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-set/index.html"><span class="identifier">Set</span></a><span class="symbol">&lt;</span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-char/index.html"><span class="identifier">Char</span></a><span class="symbol">&gt;</span><span class="symbol">)</span><span class="symbol">: </span><span class="identifier">Builder</span></code></td>
</tr>
<tr>
