<h1 id="ref" data-line="0" class="code-line">
<a class="header-anchor-link" href="#ref" aria-hidden="true"></a> Ref</h1>
<ul data-line="1" class="code-line">
<li data-line="1" class="code-line"><a href="https://javascript.plainenglish.io/dont-use-collection-directly-93a5457a8e40" target="_blank" rel="nofollow noopener noreferrer">https://javascript.plainenglish.io/dont-use-collection-directly-93a5457a8e40</a></li>
<li data-line="2" class="code-line"><a href="https://softwareengineering.stackexchange.com/questions/139353/why-should-we-preferably-use-first-class-collections" target="_blank" rel="nofollow noopener noreferrer">https://softwareengineering.stackexchange.com/questions/139353/why-should-we-preferably-use-first-class-collections</a></li>
</ul>
