@function each($backdrop-contrast-config) {
  @each $key, $backdrop-contrast in $backdrop-contrast-config {
    $backdrop-contrast-config: map.set(
      $backdrop-contrast-config,
      $key,
      (
        --bs-backdrop-contrast: contrast($backdrop-contrast),
      )
    );
  }
  @return $backdrop-contrast-config;
}

$utilities: map-merge(
  $utilities,
  (
    "backdrop-contrast": (
      property: --bs-backdrop-contrast,
      class: backdrop-contrast,
      variants: backdrop-contrast,
      values: each($backdrop-contrast-config),
    ),
  )
);