generating multi-line output, this string is inserted once at the
beginning of each indented line for each level of indentation.</p>
<p>If <code>null</code>, the output is encoded as a single line.</p>
        </section>
                <section class="summary source-code" id="source">
          <h2><span>Implementation</span></h2>
          <pre class="language-dart"><code class="language-dart">final String indent

</code></pre>
        </section>

  </div> <!-- /.main-content -->

  <div id="dartdoc-sideb