<section class="multi-line-signature">
      <span class="returntype"><a href="dart-async/Future-class.html">Future</a><span class="signature">&lt;<a href="dart-io/RandomAccessFile-class.html">RandomAccessFile</a>&gt;</span></span>
      <span class="name ">writeFrom</span>
(<wbr><span class="parameter" id="writeFrom-param-buffer"><span class="type-annotation"><a href="dart-core/List-class.html">List</a><span class="signature">&lt;<a href="dart-core/int-class.html">int</a>&gt;</span></span> <span class="par