},
        <span class="hljs-comment">// call this method at the end</span>
        <span class="hljs-comment">// Syntax.Document &lt;-&gt; Syntax.DocumentExit</span>
        <span class="hljs-comment">// https://github.com/textlint/textlint/blob/master/docs/rule.md</span>
        [Syntax.DocumentExit]() {
            <span class="hljs-comment">// Note: textlint wait for `Promise.all` is resolved.</span>
            <span class="hljs-keyword">return</span> <span class="hljs-built_in">Promise</span>.all(prom