<===> options.yml
---
:ignore_for:
- dart-sass

<===> input.scss
$list:   '(-webkit-min-device-pixel-ratio: 2)', '(min-resolution: 192dpi)';
$string: '(-webkit-min-device-pixel-ratio: 2),   (min-resolution: 192dpi)';

.foo {
  // I should not unquote a list, I know. But still.
  content: unquote($list);
  content: unquote($string);
}
<===> output.css
.foo {
  content: "(-webkit-min-device-pixel-ratio: 2)", "(min-resolution: 192dpi)";
  content: (-webkit-min-device-pixel-ratio: 2),   (min-resolution: 192dpi);
}

<===> warning
DEPRECATION WARNING: Passing "(-webkit-min-device-pixel-ratio: 2)", "(min-resolution: 192dpi)", a non-string value, to unquote()
will be an error in future versions of Sass.
        on line 6 of input.scss