.3-28.06 102.32.52 27.75 28.3 26.87 73.93-1.15 101.96l-13.1 13.09a16.1 16.1 0 0 0-3.77 16.6c5.86 17.2 9.04 35 9.69 52.73.5 13.9 17.45 20.44 27.29 10.6l37.1-37.1c59.28-59.26 59.28-155.7 0-214.96z"/>
      </svg></a> </h3>
<section aria-labelledby="toc_registering-singletons-vs-non-singletons">
<p>By default, registrations are treated as "singletons".
This simply means that an instance will be created when it is first looked up,
and this same instance will be cached and returned from subsequent lookups.</p>
<