import BigNumber from 'bignumber.js';
export declare class BigIntMath {
    static max(...values: bigint[]): bigint;
    static min(...values: bigint[]): bigint;
    static sign(value: bigint): bigint;
    static abs(value: bigint): bigint;
    static clamp(min: bigint, val: bigint, max: bigint): bigint;
}
export declare function toBigInt(num: BigNumber): bigint;