<pre class="shiki github-dark shaku"><code>type MyRequired&lt;T&gt; = { [k in keyof T]-?: T[k]} // your code here, please don't use Required&lt;T&gt; in your code</code></pre>

This is my accepted solution

As the opposite of Partial<T>,Required<T> sets all properties of T to required. Please implement MyRequired<T> by yourself. // all properties are opti…