  const <span class="name deprecated">WRITE_ONLY_APPEND</span>
      =
      <span class="constant-value">FileMode.writeOnlyAppend</span>
      <div class="features">@<a href="dart-core/Deprecated-class.html">Deprecated</a>(&quot;Use FileMode.writeOnlyAppend instead&quot;)</div>
    </section>

    <section class="desc markdown">
      <p>Mode for opening a file for writing <em>only</em> to the
end of it. The file is created if it does not already exist.</p>
    </section>
        <section class="summary so