ring"</span> {</span>
    $valid<span class="hljs-value">: true;</span>
  }
  <span class="hljs-at_rule">@<span class="hljs-keyword">if</span><span class="hljs-preprocessor"> type-of</span>($property) == <span class="hljs-string">"list"</span> {</span>
    $valid<span class="hljs-value">: true;</span>
  }
  <span class="hljs-at_rule">@<span class="hljs-keyword">if</span><span class="hljs-preprocessor"> type-of</span>($property) == <span class="hljs-string">"number"</span> {</span>
    $valid<span class="hlj