>#&gt;</span>     isValid: function (context = "MzQCcvParameter") </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>     name: retention time acquisition range</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>     self: MzQCcvParameter, R6</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>     toJSON: function (...) </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>     value: 0.2959 5969.8172</span>
<span class="r-in"><span>  <span class="fu"><a href="isV