/** Configures how many header columns can participate in sorting. */
export declare enum HeaderSortingMode {
    /** Only the most recently selected column is sorted in every header mode. */
    SINGLE = "single",
    /** Multiple columns can be sorted; their selection order defines their sorting priority. */
    MULTI = "multi",
    /** Multiple columns can be configured in edit mode, while normal sort mode selects only one column. */
    COMBINED = "combined"
}