ed with the <a href="/api/store/interfaces/store/store/"><code>Store</code></a>), will be ignored silently.</p><p>As well as string, number, or boolean <a href="/api/store/type-aliases/store/value/"><code>Value</code></a> types, this method can also take a <a href="/api/store/type-aliases/callback/mapvalue/"><code>MapValue</code></a> function that takes the current <a href="/api/store/type-aliases/store/value/"><code>Value</code></a> as a parameter and maps it. This is useful if you want to efficiently incr