 <p>Decoder for base64 encoded data.</p>
<p>This decoder accepts both base64 and base64url ("url-safe") encodings.</p>
<p>The encoding is required to be properly padded.</p>
    </section>
    
    <section>
      <dl class="dl-horizontal">
        <dt>Inheritance</dt>
        <dd><ul class="gt-separated dark clazz-relationships">
          <li><a href="dart-core/Object-class.html">Object</a></li>
          <li><a href="dart-async/StreamTransformerBase-class.html">StreamTransformerBase</a><span class="signa