n>{</span></code><ol><li id="type-qualifier.pattern" class="def record field anchored"><a href="#type-qualifier.pattern" class="anchor"></a><code><span>pattern : <a href="#type-expression">expression</a>;</span></code></li><li id="type-qualifier.expression" class="def record field anchored"><a href="#type-qualifier.expression" class="anchor"></a><code><span>expression : <a href="#type-expression">expression</a>;</span></code></li></ol><code><span>}</span></code></li><li id="type-qualifier.MapGenerator" clas