span><span class="p">,</span> <span class="n">tvOS</span> <span class="mf">10.0</span><span class="p">,</span> <span class="n">watchOS</span> <span class="mf">3.0</span><span class="p">,</span> <span class="n">macOS</span> <span class="mf">10.12</span><span class="p">,</span> <span class="o">*</span><span class="p">)</span>
<span class="kd">open</span> <span class="kd">class</span> <span class="kt">SlaveDeviceMessage</span> <span class="p">:</span> <span class="kt"><a href="../Classes/FitMessage.html">FitMe