export declare enum SortDirections {
    None = 0,
    Ascending = 1,
    Descending = 2
}
export declare namespace SortDirections {
    function toCSSClass(direction: SortDirections): string;
    function toShortName(direction: SortDirections): string;
    function nextDirectionAfter(direction: SortDirections): SortDirections;
}