><span class="Other">:</span> <span class="Identifier">Future</span><span class="Other">[</span><span class="Identifier">seq</span><span class="Other">[</span><span class="Identifier">seq</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">]</span><span class="Other">]</span><span class="Other">]</span> {.
    <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">stackTrace</span><span class="Other">:</span> <span clas