import { InitError, CheckAPIResult, PosInformation, APIResponse, PutResponse, PutBillRequest, BatchBillRequest, ReturnBillRequest, MerchantInfo } from './types';
export declare class EbarimtClient {
    private url;
    private headers;
    constructor(url: string, headers?: Record<string, string>);
    init(): Promise<({
        success: true;
    } & CheckAPIResult) | {
        success: false;
        error: InitError;
    }>;
    getInformation(): Promise<PosInformation>;
    put(bill: PutBillRequest | BatchBillRequest): Promise<APIResponse<PutResponse>>;
    returnBill(data: ReturnBillRequest): Promise<APIResponse<Record<string, never>, {
        errorCode: number;
    }>>;
    sendData(): Promise<APIResponse<Record<string, never>, {
        errorCode: string;
    }>>;
    /**
     * Convert citizen register number to numeric string
     * @param regNo Citizen's reg number
     * @returns Converted reg number converted to the numeric value
     */
    convertCitizenRegNo(regNo: string): Promise<string>;
    static getOrganizationInfo(regNo: string): Promise<MerchantInfo | null>;
}