import { Pool } from '@uniswap/v3-sdk';
import * as Uniswap from '@uniswap/sdk-core';
import { JsonRpcProvider } from 'ethers';
import { Amount, Coin, CoinAmount, ERC20, Native, Token } from '../types';
export declare const quoteReturnMapping: {
    [signature: string]: string[];
};
/**
 * Returns true if poolA is equivalent to poolB
 * @param poolA one of the two pools
 * @param poolB the other pool
 */
export declare function poolEquals(poolA: Pool, poolB: Pool): boolean;
export declare const decimalsFunctionSig: string;
export declare function getTokenDecimals(tokenAddress: string, provider: JsonRpcProvider, nativeToken: Coin): Promise<number>;
/**
 * Based on https://github.com/ethers-io/ethers.js/blob/main/src.ts/address/checks.ts#L51
 */
export declare function isValidNonZeroAddress(address: string): boolean;
export declare const isValidTokenLiteral: (address: string) => boolean;
export declare const erc20ToUniswapToken: (token: ERC20) => Uniswap.Token;
export declare const uniswapTokenToERC20: (token: Uniswap.Token) => ERC20;
export declare const toBigNumber: (amount: Uniswap.CurrencyAmount<Uniswap.Token>) => bigint;
export declare const toAmount: (amount: Uniswap.CurrencyAmount<Uniswap.Token>) => CoinAmount<ERC20>;
export declare const toCurrencyAmount: (amount: CoinAmount<ERC20>) => Uniswap.CurrencyAmount<Uniswap.Token>;
export declare const newAmount: <T extends Coin>(amount: bigint, token: T) => CoinAmount<T>;
export declare const isERC20Amount: (amount: CoinAmount<Coin>) => amount is CoinAmount<ERC20>;
export declare const isNativeAmount: (amount: CoinAmount<Coin>) => amount is CoinAmount<Native>;
export declare const isNative: (token: Coin) => token is Native;
export declare const addAmount: <T extends Coin>(a: CoinAmount<T>, b: CoinAmount<T>) => {
    value: bigint;
    token: ERC20;
} | {
    value: bigint;
    token: Native;
};
export declare const subtractAmount: <T extends Coin>(a: CoinAmount<T>, b: CoinAmount<T>) => {
    value: bigint;
    token: ERC20;
} | {
    value: bigint;
    token: Native;
};
/**
 * Converts our internal token type which could be ERC20 or Native
 * into a format consumable by Checkout. They require an address to be
 * present. We populate the address with the string 'native' if it's Native.
 * If it's ERC20, we don't need to change it.
 */
export declare const toPublicTokenType: (token: Coin) => Token;
export declare const toPublicAmount: (amount: CoinAmount<Coin>) => Amount;
export declare const getDefaultDeadlineSeconds: () => number;