/a></span>&gt;</span></span>
            <span class="name ">lock</span>
(<wbr>[<span class="parameter" id="lock-param-mode"><span class="type-annotation"><a href="dart-io/FileLock-class.html">FileLock</a></span> <span class="parameter-name">mode</span> = <span class="default-value">FileLock.exclusive</span>, </span> <span class="parameter" id="lock-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-va