<p>Please complete type <code class="rounded dark:bg-gray-800 dark:text-white text-black bg-gray-100 px-[0.25rem] py-[0.1rem] text-sm font-normal font-mono" data-prestyled="true">Integer&lt;T&gt;</code>, type <code class="rounded dark:bg-gray-800 dark:text-white text-black bg-gray-100 px-[0.25rem] py-[0.1rem] text-sm font-normal font-mono" data-prestyled="true">T</code> inherits from <code class="rounded dark:bg-gray-800 dark:text-white text-black bg-gray-100 px-[0.25rem] py-[0.1rem] text-sm font-normal font-mono" data-prestyled="true">number</code>, if <code class="rounded dark:bg-gray-800 dark:text-white text-black bg-gray-100 px-[0.25rem] py-[0.1rem] text-sm font-normal font-mono" data-prestyled="true">T</code> is an integer return it, otherwise return <code class="rounded dark:bg-gray-800 dark:text-white text-black bg-gray-100 px-[0.25rem] py-[0.1rem] text-sm font-normal font-mono" data-prestyled="true">never</code>.</p>