llistener/"><code>CellListener</code></a> registered for that cell would be called once as if there had been a single change from <code>&#x27;a&#x27;</code> to <code>&#x27;c&#x27;</code>.</p><p><a href="/guides/the-basics/transactions/">Transactions</a> can be nested. Relevant listeners will be called only when the outermost one completes.</p><p>The second, optional parameter, <code>doRollback</code> is a <a href="/api/store/type-aliases/callback/dorollback/"><code>DoRollback</code></a> callback that you ca