pan class="parameters "><span class="parameter "><span class="token keyword">val </span>ref<span class="token operator">: </span><a href="../-reference/index.html">Reference</a><span class="token punctuation">, </span></span><span class="parameter "><span class="token keyword">val </span>argument<span class="token operator">: </span><a href="-argument/index.html">CompleteRequest.Argument</a><span class="token punctuation">, </span></span><span class="parameter "><span class="token keyword">val </span>_meta<