k" href="#description" title="Link to this heading"></a></h2>
<div class="highlight-logtalk notranslate"><div class="highlight"><pre><span></span>threaded
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<p>Declares that an object supports threaded engines, concurrent calls,
and asynchronous messages. Any object containing calls to the built-in
multi-threading predicates (or importing a category that contains such
calls) must include this directive.</p>
<p>This directive results in the automatic creation and set up of an object
mess