sonCodec" class="callable">
          <span class="name"><a href="dart-convert/JsonCodec/JsonCodec.html">JsonCodec</a></span><span class="signature">({<span class="parameter" id="-param-reviver"><span class="type-annotation"><a href="dart-core/Object-class.html">Object</a></span> <span class="parameter-name">reviver</span>(<span class="parameter" id="param-key"><span class="type-annotation"><a href="dart-core/Object-class.html">Object</a></span> <span class="parameter-name">key</span></span> <span class="pa