import type { SendOptions } from 'web3-eth-contract';
import { Address, AddressOrSymbol, Allowance, APIError, BuildOptions, NetworkID, PriceString, RateOptions, Transaction } from './types';
import { OptimalRate } from 'paraswap-core';
import { Token } from './lib/token';
import { SwapSide } from './constants';
export declare class ParaSwap {
    private network;
    private apiURL;
    web3Provider?: any;
    constructor(network?: NetworkID, apiURL?: string, web3Provider?: any);
    private handleAPIError;
    private checkDexList;
    setWeb3Provider(web3Provider: any): this;
    getTokens(): Promise<APIError | Token[]>;
    getAdapters(): Promise<any>;
    getRateByRoute(route: AddressOrSymbol[], amount: PriceString, userAddress?: Address, side?: SwapSide, options?: RateOptions, srcDecimals?: number, destDecimals?: number): Promise<OptimalRate | APIError>;
    getRate(srcToken: AddressOrSymbol, destToken: AddressOrSymbol, amount: PriceString, userAddress?: Address, side?: SwapSide, options?: RateOptions, srcDecimals?: number, destDecimals?: number): Promise<OptimalRate | APIError>;
    buildTx(srcToken: Address, destToken: Address, srcAmount: PriceString, destAmount: PriceString, priceRoute: OptimalRate, userAddress: Address, partner?: string, partnerAddress?: string, partnerFeeBps?: number, receiver?: Address, options?: BuildOptions, srcDecimals?: number, destDecimals?: number, permit?: string, deadline?: string): Promise<APIError | Transaction>;
    getTokenTransferProxy(_provider?: any): Promise<Address | APIError>;
    getAllowances(userAddress: Address, tokenAddresses: Address[]): Promise<Allowance[] | APIError>;
    getAllowance(userAddress: Address, tokenAddress: Address): Promise<Allowance | APIError>;
    approveTokenBulk(amount: PriceString, userAddress: Address, tokenAddresses: Address[], _provider?: any): Promise<string[]>;
    approveToken(amount: PriceString, userAddress: Address, tokenAddress: Address, _provider?: any, sendOptions?: Omit<SendOptions, 'from'>): Promise<string>;
    getMarketNames(): Promise<string[] | APIError>;
    getBalance(userAddress: Address, token: AddressOrSymbol): Promise<Token | APIError>;
    getBalances(userAddress: Address): Promise<Token[] | APIError>;
}