rvice.<span class="keyword">class</span>);
    <span class="keyword">return</span> <span class="keyword">new</span> <span class="type">ProxyLookup</span>(<span class="keyword">new</span> <span class="type">Lookup</span>[] { lookup, lookup2 });
</pre>

<H2> AbstractLookup </H2>
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<p>The most powerful way to provide a lookup is to directly define
what instances and items it should provide, by subclassing. Fo