"keyword">null</span><span class="punctuation">;</span>
<span class="punctuation">}</span><span class="punctuation">;</span>
</code></pre><p>In that same file, you can also define domain-specific hooks that use an expose the schema. For example, this hook will be typed to return a string if passed &#x27;myStringValue&#x27;, and a number if passed &#x27;myNumericValue&#x27;.</p><pre><code><span class="keyword">type</span> <span class="class-name">ValueIds</span> <span class="operator">=</span> <span class="k