export type DateRangePreset = 'today' | 'yesterday' | 'last24h' | 'last48h' | 'last7d' | 'last14d' | 'last30d' | 'last60d' | 'last90d' | 'thisWeek' | 'lastWeek' | 'thisMonth' | 'lastMonth' | 'thisYear' | 'lastYear';
export interface IDateRange {
    range?: {
        mode: 'exact' | 'range' | 'preset';
        exact?: string;
        start?: string;
        end?: string;
        preset?: DateRangePreset;
    };
}
export declare function processDateRange(dateRange: IDateRange): string | undefined;
export declare function convertToDateOnlyFormat(value: any): string | undefined;