import JSBI from 'jsbi';
import { SwapResult } from '../utils';
import { Fraction } from '../fraction';
export declare class TokenSwapStable {
    private traderFee;
    private ownerFee;
    private curve;
    constructor(amp: JSBI, traderFee: Fraction, ownerFee: Fraction);
    exchange(tokenAmounts: JSBI[], inputTradeAmount: JSBI, outputIndex: number): SwapResult;
    private getPriceImpact;
    private getFees;
    private getExpectedOutputAmount;
    private getExpectedOutputAmountWithNoSlippage;
    private getInputAmountLessFees;
    private getOutputAmount;
    private getOutputAmountWithNoSlippage;
}