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

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