ema<span class="token punctuation">.</span>_

  <span class="token keyword">case</span> <span class="token keyword">class</span> Query<span class="token punctuation">(</span>
    _service<span class="token operator">:</span> _Service<span class="token punctuation">,</span>
    _fieldSet<span class="token operator">:</span> FieldSet <span class="token operator">=</span> FieldSet<span class="token punctuation">(</span><span class="token string">&quot;&quot;</span><span class="token punctuation">)</span>
  <sp