$filter-grayscale: (
    "filter-grayscale": (
        type: 5,
        status: $filter-grayscale-status,
        responsive: $filter-grayscale-responsive,
        property: (
            name: filter,
            class: null,
            list: (
                filter-grayscale-0: (--filter-grayscale, grayscale(0)),
                filter-grayscale-1: (--filter-grayscale, grayscale(1))
            )
        )
    )
);