import { HttpClient } from '../client/HttpClient';
import { Invoice, InvoiceListResponse, InvoiceListParams, CreateInvoiceInput, UpdateInvoiceInput } from '../types/invoice.types';
export declare class Invoices {
    private readonly httpClient;
    private readonly basePath;
    constructor(httpClient: HttpClient);
    /**
     * List all invoices with optional filtering
     * @param params - Query parameters for filtering and pagination
     * @returns Promise resolving to invoice list response
     */
    list(params?: InvoiceListParams): Promise<InvoiceListResponse>;
    /**
     * Get a specific invoice by document number
     * @param documentNumber - The invoice document number
     * @returns Promise resolving to the invoice
     */
    get(documentNumber: string): Promise<Invoice>;
    /**
     * Create a new invoice
     * @param invoice - The invoice data
     * @returns Promise resolving to the created invoice
     */
    create(invoice: CreateInvoiceInput): Promise<Invoice>;
    /**
     * Update an existing invoice
     * @param documentNumber - The invoice document number
     * @param invoice - The invoice data to update
     * @returns Promise resolving to the updated invoice
     */
    update(documentNumber: string, invoice: UpdateInvoiceInput): Promise<Invoice>;
    /**
     * Bookkeep an invoice (finalize for accounting)
     * @param documentNumber - The invoice document number
     * @returns Promise resolving to the booked invoice
     */
    bookkeep(documentNumber: string): Promise<Invoice>;
    /**
     * Cancel an invoice
     * @param documentNumber - The invoice document number
     * @returns Promise resolving to the cancelled invoice
     */
    cancel(documentNumber: string): Promise<Invoice>;
    /**
     * Create a credit invoice from an existing invoice
     * @param documentNumber - The invoice document number
     * @returns Promise resolving to the credit invoice
     */
    credit(documentNumber: string): Promise<Invoice>;
    /**
     * Send invoice by email
     * @param documentNumber - The invoice document number
     * @returns Promise resolving when the invoice is sent
     */
    sendEmail(documentNumber: string): Promise<Invoice>;
    /**
     * Print an invoice (returns PDF)
     * @param documentNumber - The invoice document number
     * @returns Promise resolving to PDF buffer
     */
    print(documentNumber: string): Promise<ArrayBuffer>;
    /**
     * Preview an invoice (returns PDF without marking as sent)
     * @param documentNumber - The invoice document number
     * @returns Promise resolving to PDF buffer
     */
    preview(documentNumber: string): Promise<ArrayBuffer>;
    /**
     * Mark invoice as sent (external print)
     * @param documentNumber - The invoice document number
     * @returns Promise resolving to the updated invoice
     */
    externalPrint(documentNumber: string): Promise<Invoice>;
    private validateCreateInput;
}
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