export class BigNumber {
    /**
     * @param {string} str
     * @return {BigNumber}
     */
    static fromString(str: string): BigNumber;
    /**
     * @param {number} num
     * @return {BigNumber}
     */
    static fromNumber(num: number): BigNumber;
    /**
     * @param {ArrayBuffer} buffer
     * @return {BigNumber}
     */
    static fromArrayBuffer(buffer: ArrayBuffer): BigNumber;
    /**
     * @param {{ limbs: Uint32Array, bitLength: number, sign: number }} obj
     * @return {BigNumber}
     */
    static fromConfig(obj: {
        limbs: Uint32Array;
        bitLength: number;
        sign: number;
    }): BigNumber;
    /**
     * @param {Uint8Array} [num]
     * @return {BigNumber}
     */
    constructor(num?: Uint8Array);
    limbs: Uint32Array;
    bitLength: number;
    sign: number;
    /**
     * @param {number} radix
     * @return {string}
     */
    toString(radix: number): string;
    /**
     * @return {Uint8Array}
     */
    toBytes(): Uint8Array;
    /**
     * Downgrade to Number
     *
     * @return {number}
     */
    valueOf(): number;
    /**
     * @param {number} b
     * @return {BigNumber}
     */
    clamp(b: number): BigNumber;
    /**
     * @param {number} f
     * @param {number} [b]
     * @return {BigNumber}
     */
    slice(f: number, b?: number): BigNumber;
    /**
     * @return {BigNumber}
     */
    negate(): BigNumber;
    /**
     * @param {BigNumber} that
     * @return {number}
     */
    compare(that: BigNumber): number;
    /**
     * @param {BigNumber} that
     * @return {BigNumber}
     */
    add(that: BigNumber): BigNumber;
    /**
     * @param {BigNumber} that
     * @return {BigNumber}
     */
    subtract(that: BigNumber): BigNumber;
    /**
     * @return {BigNumber}
     */
    square(): BigNumber;
    /**
     * @param {BigNumber} that
     * @return {{quotient: BigNumber, remainder: BigNumber}}
     */
    divide(that: BigNumber): {
        quotient: BigNumber;
        remainder: BigNumber;
    };
    /**
     * @param {BigNumber} that
     * @return {BigNumber}
     */
    multiply(that: BigNumber): BigNumber;
}
export const BigNumber_ZERO: BigNumber;
export const BigNumber_ONE: BigNumber;