interface SwapResult {
    consumedAmount: bigint;
    calculatedAmount: bigint;
    sqrtRatioNext: bigint;
    feeAmount: bigint;
}
export declare function isPriceIncreasing(amount: bigint, isToken1: boolean): boolean;
export declare function amountBeforeFee(amount: bigint, fee: bigint): bigint;
export declare function computeFee(amount: bigint, fee: bigint): bigint;
export declare function computeStep({ sqrtRatio, liquidity, sqrtRatioLimit, amount, isToken1, fee, }: {
    sqrtRatio: bigint;
    liquidity: bigint;
    sqrtRatioLimit: bigint;
    amount: bigint;
    isToken1: boolean;
    fee: bigint;
}): SwapResult;
export {};