$grid-auto-flow: (
    "grid-auto-flow": (
        type: 1,
        status: $grid-auto-flow-status,
        responsive: $grid-auto-flow-responsive,
        property: (
            name: grid-auto-flow,
            class: null,
            list: (
                row: row,
                column: column,
                row-dense: row dense,
                column-dense: column dense
            )
        )
    )
);