import { IDexHelper } from '../../dex-helper';
import { Logger, Token, Address } from '../../types';
import { SwaapV2RateFetcherConfig, SwaapV2QuoteResponse, SwaapV2OrderType, SwaapV2NotificationResponse } from './types';
import { RequestConfig } from '../../dex-helper/irequest-wrapper';
export declare class RateFetcher {
    private dexHelper;
    private dexKey;
    private logger;
    private rateFetcher;
    private tokensFetcher;
    private pricesCacheTTL;
    private tokensCacheTTL;
    private tokenCacheKey;
    private pricesCacheKey;
    constructor(dexHelper: IDexHelper, dexKey: string, logger: Logger, config: SwaapV2RateFetcherConfig);
    start(): void;
    stop(): void;
    private handleTokensResponse;
    private handleRatesResponse;
    getQuote(networkId: number, _srcToken: Token, _destToken: Token, srcAmount: string, side: SwaapV2OrderType, userAddress: Address, sender: Address, recipient: Address, tolerance: number, requestParameters: RequestConfig): Promise<SwaapV2QuoteResponse>;
    notify(code: number, message: string, requestParameters: RequestConfig): Promise<SwaapV2NotificationResponse>;
}