/api/synchronizer-broadcast-channel/interfaces/synchronizer/broadcastchannelsynchronizer/">BroadcastChannelSynchronizer</a></span><span class="operator">></span></code></td><td><p></p><p>A Promise containing a reference to the <a href="/api/the-essentials/persisting-stores/persister/"><code>Persister</code></a> object.</p><p></p></td></tr></table></div><p>The optional parameter allows you to specify what the initial content for the <a href="/api/the-essentials/creating-stores/store/"><code>Store</code></a> 