<span class="hljs-class"><span class="hljs-keyword">type</span> <span class="hljs-title">A</span></span>: Trait;
<span class="hljs-class"><span class="hljs-keyword">type</span> <span class="hljs-title">A</span></span>;
<span class="hljs-class"><span class="hljs-keyword">type</span> <span class="hljs-title">A</span></span> = B;
<span class="hljs-class"><span class="hljs-keyword">type</span> <span class="hljs-title">R</span></span>&lt;T&gt; = m::R&lt;T, ConcreteError&gt;
