import { Address } from 'viem';
import { Percent } from '../fractions/percent';
import { BigintIsh } from '../constants/internalConstants';
import { Token } from '../constants';
import { Price } from '../fractions/Price';
export declare const ADDRESS_ZERO = "0x0000000000000000000000000000000000000000";
export declare function validateAndParseAddress(address: string): Address;
export type TokenAmounts = {
    token0Amount: BigintIsh;
    token1Amount: BigintIsh;
};
export declare function adjustForSlippage(n: BigintIsh, { numerator, denominator }: Percent, adjustUp: boolean): bigint;
export declare function adjustForTokenSlippage(tokenAmount: TokenAmounts, slippage: Percent, adjustUp: boolean): {
    tokenLimit0: bigint;
    tokenLimit1: bigint;
};
export declare function parseProtocolFees(feeProtocol: number | string): Percent[];
/**
 * Returns the sqrt ratio as a Q64.96 corresponding to a given ratio of amount1 and amount0
 * @param amount1 The numerator amount i.e., the amount of token1
 * @param amount0 The denominator amount i.e., the amount of token0
 * @returns The sqrt ratio
 */
export declare function encodeSqrtRatioX96(amount1: BigintIsh, amount0: BigintIsh): bigint;
export declare function decodeSqrtRatioX96(sqrtRatioX96: bigint): [bigint, bigint];
export declare function calculatePriceStep(price: Price<Token, Token>, tickSpacing: number): string;
/**
 * 是否是正向
 * @param address0
 * @param address1
 * @returns
 */
export declare function isDirect(address0: string, address1: string): boolean;
export declare function sqrt(y: bigint): bigint;
export declare function calculateGasMargin(value: bigint, margin?: bigint): bigint;