ulti-line-signature">
      <span class="returntype">void</span>
            <span class="name ">unlockSync</span>
(<wbr>[<span class="parameter" id="unlockSync-param-start"><span class="type-annotation"><a href="dart-core/int-class.html">int</a></span> <span class="parameter-name">start</span> = <span class="default-value">0</span></span> <span class="parameter" id="unlockSync-param-end"><span class="type-annotation"><a href="dart-core/int-class.html">int</a></span> <span class="parameter-name">end</span> 