                  <pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">getSleepRecordingState</span><span class="p">(</span><span class="nv">identifier</span><span class="p">:</span> <span class="kt">String</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">Single</span><span class="o">&lt;</span><span class="kt">Bool</span><span class="o">&gt;</span></code></pre>

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