 class="keyword">Public</span> <span class="keyword">Shared</span> <span class="keyword">Sub</span> <span class="identifier">Update</span> ( 
	<span class="parameter">shortKey</span> <span class="keyword">As</span> <span class="identifier">String</span>,
	<span class="parameter">partialUpdate</span> <span class="keyword">As</span> <span class="identifier">Action</span>(<span class="keyword">Of</span> TBag),
	<span class="parameter">expiry</span> <span class="keyword">As</span> <span class="identifier">Nulla