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

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