unt</a></span>
          <span class="signature">&#8594; <a href="../dart-core/int-class.html">int</a></span>         
        </dt>
        <dd>
          The number of placeholders currently in the paragraph. 
                  <div class="features">read-only</div>
</dd>
        <dt id="placeholderScales" class="property">
          <span class="name"><a href="../dart-ui/ParagraphBuilder/placeholderScales.html">placeholderScales</a></span>
          <span class="signature">&#8594; <a href="../dart-core/Li