import { UBLBaseEncoder } from '../ubl.encoder.js';
import type { TCreditNote, TDebitNote } from '../../../interfaces/common.js';
/**
 * Encoder for XRechnung (UBL) format
 * Implements encoding of TInvoice to XRechnung XML
 */
export declare class XRechnungEncoder extends UBLBaseEncoder {
    /**
     * Encodes a TCreditNote object to XRechnung XML
     * @param creditNote TCreditNote object to encode
     * @returns Promise resolving to XML string
     */
    protected encodeCreditNote(creditNote: TCreditNote): Promise<string>;
    /**
     * Encodes a TDebitNote object to XRechnung XML
     * @param debitNote TDebitNote object to encode
     * @returns Promise resolving to XML string
     */
    protected encodeDebitNote(debitNote: TDebitNote): Promise<string>;
}