interface DollarQuote {
    name: string;
    buy: number;
    sell: number;
    source: string;
    timestamp: Date;
}
type BluelyticsDollarType = "oficial" | "blue" | "all";
type DolarApiDollarType = "blue" | "oficial" | "bolsa" | "cll" | "mayorista" | "cripto" | "tarjeta" | "all";

type Source = "bluelytics" | "dolarapi";
type GetDollarRatesOptions = {
    source?: Source;
    cache?: boolean;
    dollarType?: DolarApiDollarType | BluelyticsDollarType;
};
declare function getDollarRates({ source, cache, dollarType }?: GetDollarRatesOptions): Promise<DollarQuote[]>;
declare function convertUsdToArs(amount: number, rateType: string, type: "buy" | "sell", source?: Source): Promise<number>;
declare function convertArsToUsd(amount: number, rateType: string, type: "buy" | "sell", source?: Source): Promise<number>;
type PollDollarRatesOptions = GetDollarRatesOptions & {
    interval?: number;
    onUpdate?: (rates: DollarQuote[]) => void;
    onError?: (error: Error) => void;
};
/**
 * Polls for dollar rates at specified intervals and triggers a callback when rates are updated
 * @param options Configuration options for polling
 * @returns A function that can be called to stop the polling
 */
declare function pollDollarRates(options?: PollDollarRatesOptions): () => void;

export { convertArsToUsd, convertUsdToArs, getDollarRates, pollDollarRates };