ethod</h1></div>

    <section class="multi-line-signature">
      <span class="returntype"><a href="../../dart-async/Future-class.html">Future</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="../../dart-html/Blob-class.html">Blob</a></span>&gt;</span></span>
            <span class="name ">toBlob</span>
(<wbr><ol class="parameter-list"><li><span class="parameter" id="toBlob-param-type">[<span class="type-annotation"><a href="../../dart-core/String-class.html">String</a></span> <spa