export declare class ExpenseEngine {
    calculateSplit(totalCost: number, adultCount: number, childCount: number, childDiscountPercent: number): {
        targetTotal: number;
        actualTotal: number;
        perAdult: number;
        perChild: number;
        roundingDifference: number;
        adultsTotal: number;
        childrenTotal: number;
    };
}