ill be called whenever <a href="/api/store/type-aliases/store/tables/"><code>Tables</code></a> as a whole are added or removed.</p></td></tr><tr><th><code>mutator<span class="operator">?</span></code></th><td><code><span class="builtin">boolean</span></code></td><td><p>An optional boolean that indicates that the listener mutates <a href="/api/store/interfaces/store/store/"><code>Store</code></a> data.</p></td></tr><tr><th class="right">returns</th><td><code><span class="builtin">string</span></code></td><td