me-ref">NonNull</a>) -&gt; <a href="TypeReferences.html#ifNonNull().Result" class="name-ref">Result</a>): <a href="TypeReferences.html#ifNonNull().Result" class="name-ref">Result</a>?<span class="context"> (<a href="https://pages.github.com/apple/pkl/stdlib/pkl/0.24.0/base/index.html" class="name-ref">pkl.base</a>)</span><a class="member-source-link" href="https://github.com/apple/pkl/blob/0.24.0/stdlib/base.pkl#L123-L456">Source</a></div>
                <div class="doc-comment"><p>Returns <code>this |&gt;