import { JournalEntry } from './skr.classes.journalentry.js';
import type { TSKRType } from './skr.types.js';
import type { IInvoice, IBookingRules, IBookingInfo, IPaymentInfo } from './skr.invoice.entity.js';
/**
 * Options for booking an invoice
 */
export interface IBookingOptions {
    autoBook?: boolean;
    confidenceThreshold?: number;
    bookingDate?: Date;
    bookingReference?: string;
    skipValidation?: boolean;
}
/**
 * Result of booking an invoice
 */
export interface IBookingResult {
    success: boolean;
    journalEntry?: JournalEntry;
    bookingInfo?: IBookingInfo;
    confidence: number;
    warnings?: string[];
    errors?: string[];
}
/**
 * Automatic booking engine for invoices
 * Creates journal entries from invoice data based on SKR mapping rules
 */
export declare class InvoiceBookingEngine {
    private logger;
    private skrType;
    private mapper;
    constructor(skrType: TSKRType);
    /**
     * Book an invoice to the ledger
     */
    bookInvoice(invoice: IInvoice, bookingRules?: Partial<IBookingRules>, options?: IBookingOptions): Promise<IBookingResult>;
    /**
     * Build journal entry from invoice
     */
    private buildJournalEntry;
    /**
     * Build AP (Accounts Payable) journal entry lines
     */
    private buildAPEntry;
    /**
     * Build AR (Accounts Receivable) journal entry lines
     */
    private buildAREntry;
    /**
     * Build VAT lines
     */
    private buildVATLines;
    /**
     * Calculate VAT amount from taxable amount and rate
     */
    private calculateVAT;
    /**
     * Calculate effective VAT rate for the invoice (weighted average)
     */
    private calculateEffectiveVATRate;
    /**
     * Build reverse charge VAT lines (§13b UStG)
     */
    private buildReverseChargeVATLines;
    /**
     * Group invoice lines by account
     */
    private groupLinesByAccount;
    /**
     * Book payment for an invoice
     */
    bookPayment(invoice: IInvoice, payment: IPaymentInfo, rules: IBookingRules): Promise<IBookingResult>;
    /**
     * Validate invoice before booking
     */
    private validateInvoice;
    /**
     * Generate warnings for the booking
     */
    private generateWarnings;
    /**
     * Build description for journal entry
     */
    private buildDescription;
    /**
     * Get account description for a group of lines
     */
    private getAccountDescription;
    /**
     * Get used expense accounts
     */
    private getUsedExpenseAccounts;
    /**
     * Get used revenue accounts
     */
    private getUsedRevenueAccounts;
    /**
     * Get used VAT accounts
     */
    private getUsedVATAccounts;
}