types are user-defined, tools cannot provide specialized handling of them since they have no advanced knowledge of the type declarations. Here are some suggested strategies to get the most value out of user-defined composite types:</p>
  <section id="fallbacks"><div class="header-wrapper"><h4 id="x9-3-1-fallbacks"><bdi class="secno">9.3.1 </bdi>Fallbacks</h4><a class="self-link" href="#fallbacks" aria-label="Permalink for Section 9.3.1"></a></div>
  <p>Given that composite types are ultimately composed of t