an><span class="s2">&quot;desc&quot;</span>:<span class="s2">&quot;description about the field nickname&quot;</span>,<span class="w"> </span><span class="s2">&quot;index&quot;</span>:true,<span class="w">  </span><span class="s2">&quot;store&quot;</span>:true<span class="o">}</span>,<span class="w"> </span><span class="o">{</span>“name”:<span class="s2">&quot;feature&quot;</span>,<span class="w"> </span><span class="s2">&quot;type&quot;</span>:<span class="s2">&quot;vector&quot;</span>,<span class="w"> 