>{</span><br/>    <a class="tsd-kind-property" href="#document">document</a><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>    <a class="tsd-kind-property" href="#id">id</a><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>    <a class="tsd-kind-property" href="#metadata">metadata</a><span class="tsd-signature-symbol">?