an class="punctuation">,</span>
  startSaveFirst<span class="operator">?</span><span class="operator">:</span> <span class="builtin">boolean</span><span class="punctuation">,</span>
<span class="punctuation">)</span><span class="operator">:</span> <span class="builtin">Promise</span><span class="operator">&lt;</span><span class="type"><a href="/api/persister-yjs/interfaces/persister/yjspersister/">YjsPersister</a></span><span class="operator">></span></code></pre><div class="table"><table><tr><th></th><th>T