import type { GetExchangeRatesForCurrencyResponse } from "../types/other";
import { BaseService } from "./base";
/**
 * Service class for handling miscellaneous Cryptomus API operations.
 * Currently supports retrieving exchange rates.
 */
export declare class OtherService extends BaseService {
    /**
     * Retrieves current exchange rates for a specific currency.
     *
     * @param {string} currency - The currency code to get exchange rates for (e.g., "USDT", "BTC").
     * @returns {Promise<GetExchangeRatesForCurrencyResponse>} A promise that resolves with the exchange rates.
     * @throws {Error} If the request fails or returns an error response.
     *
     * @example
     * ```typescript
     * const rates = await client.other.getExchangeRatesForCurrency("USDT");
     * console.log(rates[0].course); // Current exchange rate
     * ```
     */
    getExchangeRatesForCurrency(currency: string): Promise<GetExchangeRatesForCurrencyResponse>;
}