export declare const PosReturnPolicyId = "IN_GST_POS_RETURN_1";
/** Passed card fees are included in Amt, but do not settle the receipt's Total. */
export declare function PosPaymentNet(payment: any): number;
/** Preserve payment signs and sum in decimal arithmetic. */
export declare function PosSettlementTotal(payments?: readonly any[]): number;
/** Pure allocation shared by the cashier preview and the authoritative transaction. */
export declare function AllocatePosSourceReturns(source: any, requests: readonly any[], exponent?: number): Map<string, any>;
/** Sourced credits retain paise; only new goods use the receipt's normal payable rounding. */
export declare function CalculatePosReturnPayable(lines: readonly any[], adjust?: number, precision?: number, exponent?: number): {
    Total: number;
    Round: number;
    Adjust: number;
};