import type { Ksefnik } from '@ksefnik/core';
import { z } from 'zod';
export declare const syncInvoicesSchema: z.ZodObject<{
    dateFrom: z.ZodString;
    dateTo: z.ZodString;
    nip: z.ZodOptional<z.ZodString>;
    /**
     * `sales` = invoices issued by this company (Subject1 on KSeF side),
     * `cost`  = invoices received by this company (Subject2).
     * Defaults to `cost` for backwards compatibility with the MVP.
     */
    subject: z.ZodOptional<z.ZodEnum<["sales", "cost"]>>;
    /**
     * When provided, downloads the full FA(2)/FA(3) XML for each invoice and
     * saves it to `${saveDir}/${ksefReference}.xml`. Path must be absolute.
     * Creates the directory if it doesn't exist.
     */
    saveDir: z.ZodOptional<z.ZodString>;
}, "strip", z.ZodTypeAny, {
    dateFrom: string;
    dateTo: string;
    nip?: string | undefined;
    subject?: "sales" | "cost" | undefined;
    saveDir?: string | undefined;
}, {
    dateFrom: string;
    dateTo: string;
    nip?: string | undefined;
    subject?: "sales" | "cost" | undefined;
    saveDir?: string | undefined;
}>;
export type SyncInvoicesInput = z.infer<typeof syncInvoicesSchema>;
export declare function syncInvoices(ksef: Ksefnik, input: SyncInvoicesInput): Promise<{
    invoices: {
        id: string;
        invoiceNumber: string;
        sellerNIP: string;
        grossAmount: number;
        currency: "PLN";
        issueDate: string;
        createdAt: string;
        description?: string | undefined;
        netAmount?: number | undefined;
        buyerNIP?: string | undefined;
        vatAmount?: number | undefined;
        salesDate?: string | undefined;
        dueDate?: string | undefined;
        ksefReference?: string | undefined;
        sellerName?: string | undefined;
        buyerName?: string | undefined;
        lineItems?: {
            lineNumber: number;
            description: string;
            netAmount: number;
            unit?: string | undefined;
            quantity?: number | undefined;
            unitNetPrice?: number | undefined;
            vatRate?: number | undefined;
        }[] | undefined;
        rawXml?: string | undefined;
    }[];
    count: number;
    subject: "sales" | "cost";
    savedFiles: string[] | undefined;
    savedCount: number | undefined;
}>;
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