import BN from "bn.js";
import { BigNumberish } from "./bignumber";
import { Rounding } from "./constant";
export declare class Fraction {
    readonly numerator: BN;
    readonly denominator: BN;
    constructor(numerator: BigNumberish, denominator?: BigNumberish);
    get quotient(): BN;
    invert(): Fraction;
    add(other: Fraction | BigNumberish): Fraction;
    sub(other: Fraction | BigNumberish): Fraction;
    mul(other: Fraction | BigNumberish): Fraction;
    div(other: Fraction | BigNumberish): Fraction;
    toSignificant(significantDigits: number, format?: object, rounding?: Rounding): string;
    toFixed(decimalPlaces: number, format?: object, rounding?: Rounding): string;
}
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