80">observer</span><span style="color: #000000">);</span>
<span style="color: #000000">  }, [</span><span style="color: #001080">audioVideo</span><span style="color: #000000">]);</span>

<span style="color: #000000">  </span><span style="color: #008000">// Subscribe to `remoteVideoSourcesDidChange` callback.</span>
<span style="color: #000000">  </span><span style="color: #795E26">useEffect</span><span style="color: #000000">(() </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {