n> <span class="keyword">string</span> Group { <span class="keyword">get</span>; <span class="keyword">set</span>; }
    }

    <span class="keyword">private</span> List&lt;DropItem&gt; items = <span class="keyword">new</span>()
    {
        <span class="keyword">new</span> DropItem() { Name = <span class="string">&quot;Item 1&quot;</span>, Group = <span class="string">&quot;1&quot;</span> },
        <span class="keyword">new</span> DropItem() { Name = <span class="string">&quot;Item 2&quot;</span>, Group 