export declare class SafeDecimalMath {
    static get unit(): bigint;
    static multiplyDecimal(x: bigint, y: bigint): bigint;
    static divideDecimalRound(x: bigint, y: bigint): bigint;
    static _divideDecimalRound(x: bigint, y: bigint, precisionUnit: bigint): bigint;
    static multiplyDecimalRound(x: bigint, y: bigint): bigint;
    static _multiplyDecimalRound(x: bigint, y: bigint, precisionUnit: bigint): bigint;
    static divideDecimal(x: bigint, y: bigint): bigint;
}