lock" class="anchor"></a><code><span>| </span><span><span class="constructor">AClock</span></span></code></li><li id="type-category.ACdiv0" class="def variant constructor anchored"><a href="#type-category.ACdiv0" class="anchor"></a><code><span>| </span><span><span class="constructor">ACdiv0</span></span></code></li><li id="type-category.ACobjc_null" class="def variant constructor anchored"><a href="#type-category.ACobjc_null" class="anchor"></a><code><span>| </span><span><span class="constructor">ACobjc_nul