tribute : <a href="index.html#type-t">t</a></code></dt><dt class="spec value" id="val-__set_unsubscribed_observer_attribute"><a href="#val-__set_unsubscribed_observer_attribute" class="anchor"></a><code><span class="keyword">val</span> __set_unsubscribed_observer_attribute : <a href="index.html#type-t">t</a></code></dt><dt class="spec value" id="val-__set_wont_leak_attribute"><a href="#val-__set_wont_leak_attribute" class="anchor"></a><code><span class="keyword">val</span> __set_wont_leak_attribute : <a hre