r>), </span><wbr><span class="parameter" id="singleWhere-param-orElse">{<span class="type-annotation"><a href="../dart-typed_data/Uint8List-class.html">Uint8List</a></span> <span class="parameter-name">orElse</span>()}</span><wbr>)
            <span class="returntype parameter">&#8594; <a href="../dart-async/Future-class.html">Future</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="../dart-typed_data/Uint8List-class.html">Uint8List</a></span>&gt;</span></span>
          </span>
    