ncelable_interface">Cancelable</a></dd>
      </dl>
      <p>
        <p>A cancelable object that can be used to abort the operation.</p>

        
      </p>
    </div>
  </div>
  
  <h5 class="returns">Returns</h5>
  <div>
  <div class="property">
    <div><span class="xref">Promise</span>&lt;<a class="xref" href="sourcefile.html#grammarkdown_SourceFile_class">SourceFile</a> | undefined&gt;</div>
    <p><p>A <code>Promise</code> for either the parsed <a class="xref" href="sourcefile.html#gram