super(key, queue);
      this.hash = hash;
      this.next = next;
    }

    @Override
    public K getKey() {
      return get();
    }

    /*
     * It'd be nice to get these for free from AbstractReferenceEntry, but we're already extending
     * WeakReference<K>.
     */

    // null access

    @Override
    public long getAccessTime() {

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 - reach GA, and deprecate the beta, or
 - have a new beta version _(and deprecate the previous beta)_.

</p>

<h3 id="Function_declarations">Function declarations</h3>

<!--
	Given the importance of functions, this section has always
	been woefully underdeveloped. Would be nice to expand this
	a bit.
-->

<p>
A function declaration binds an identifier, the <i>function name</i>,
to a function.
</p>

<pre class="ebnf">

When you use **FastAPI**, there's a lot more going on, processing the request and response, handling dependencies, executing **your own code**, and particularly, **waiting for the network**. But you will probably still get some nice performance improvements just from the upgrade.