import { RestfulRequest } from '../../basic/request/restful';
import { CoinInfo } from '../../types/chain';
import { Price, PriceChannel } from '../interfaces';
declare class Coingecko implements PriceChannel {
    static readonly FIATS: Set<string>;
    readonly restfuls: Array<RestfulRequest>;
    private lastIndex;
    constructor();
    fetchApi(path: string, params?: Record<string, any>): Promise<Response>;
    fetchBTCPrices(): Promise<Array<Price>>;
    fetchCGKIdsPrices(cgkIds: Record<string, string>, unit?: string): Promise<Array<Price>>;
    fetchERC20Prices(coins: Array<CoinInfo>, unit?: string): Promise<Array<Price>>;
    pricing(coins: Array<CoinInfo>): Promise<Array<Price>>;
}
export { Coingecko };