r">@JvmStatic</span> <span class="keyword">operator</span> <span class="keyword">fun </span><span class="identifier">plusAssign</span><span class="symbol">(</span><span class="identifier" id="com.deanveloper.kbukkit.util.Recipes$plusAssign(kotlin.Function0((org.bukkit.inventory.ItemStack)))/recipe">recipe</span><span class="symbol">:</span>&nbsp;<span class="symbol">(</span><span class="symbol">)</span>&nbsp;<span class="symbol">-&gt;</span>&nbsp;<span class="identifier">ItemStack</span><span class="symbol"