import { ExchangeRateResponse } from '../constants';
import { ApiResponse } from '../types';
import { BaseService } from './base.service';
/**
 * GeneralService
 * Service for managing general operations.
 */
export declare class GeneralService extends BaseService {
    /**
     * Gets exchange rates.
     * @returns {Promise<ApiResponse<ExchangeRateResponse>>} - Exchange rates information with curl command
     */
    getExchangeRates(): Promise<ApiResponse<ExchangeRateResponse>>;
    /**
     * Checks if a taxpayer is an e-invoice taxpayer.
     * @param {string} taxNumber - Tax number
     * @returns {Promise<ApiResponse<any[]>>} - Information about taxpayer's e-invoice status with curl command
     */
    checkIfGlobalCustomer(taxNumber: string): Promise<ApiResponse<any[]>>;
}