notated to be
 asynchronous methods:
 <ul>
 <li><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/CompletableFuture.html" title="class or interface in java.util.concurrent" class="external-link"><code>CompletableFuture</code></a></li>
 <li><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/CompletionStage.html" title="class or interface in java.util.concurrent" class="external-link"><code>CompletionStage</code></a></li>
 <li><c