data-togglable=":/main"><div class="symbol monospace"><span class="token keyword">constructor</span><span class="token punctuation">(</span><span class="parameters "><span class="parameter ">ref<span class="token operator">: </span><a href="../-reference/index.html">Reference</a><span class="token punctuation">, </span></span><span class="parameter ">argument<span class="token operator">: </span><a href="-argument/index.html">CompleteRequest.Argument</a><span class="token punctuation">, </span></span><span 