import BigNumber from '../utils/FractionalBigNumber';
import { PoolData } from './types';
export declare const METHOD_MIN = "min";
export declare const METHOD_MAX = "max";
export declare class Dexes {
    chainId: number;
    constructor(chainId?: number | undefined);
    /**
     * Get pools
     * @param contractAddress
     * @param sources
     */
    getTokenPools(contractAddress: string, sources?: string[]): Promise<PoolData[] | []>;
    /**
     * Get token price in ETH
     * @param contractAddress
     * @param blockNumber
     * @param method
     * @param sources
     */
    getTokenPrice(contractAddress: string, blockNumber?: number | null, method?: string, sources?: string[]): Promise<BigNumber | null>;
    /**
     * Get token prices in ETH
     * @param contractAddress
     * @param blockNumber
     * @param sources
     */
    getTokenPrices(contractAddress: string, blockNumber?: number | null, sources?: string[]): Promise<any[]>;
    /**
     * Get eth USD price
     * @param blockNumber
     * @param method
     * @param sources
     */
    getEthPrice(blockNumber?: number | null, method?: string, sources?: string[]): Promise<BigNumber | null>;
    /**
     * Get ETH prices in USD
     * @param blockNumber
     * @param sources
     */
    getEthPrices(blockNumber?: null | number, sources?: string[]): Promise<BigNumber[]>;
    /**
     *
     * @param sources
     */
    _getServices(sources?: string[]): any[];
}