import { InvoiceType } from './lib/enums/invoice-type.enum.js';
import { InvoiceItem } from './lib/types/invoice-item.js';
import { CorrectingInvoiceData } from './lib/types/correcting-invoice-data.js';
import { PaymentInformation } from './lib/types/payment-information.js';
import { CashPayment } from './lib/classes/payment-information/cash-payment.js';
import { CancellationInvoice } from './lib/classes/invoice-types/cancellation-invoice.js';

declare const SchemaVersions: readonly ["latest", "2025.01"];
type SchemaVersion = typeof SchemaVersions[number];
declare class SchemaProvider {
    private static _instance;
    private _validateFn;
    private readonly ajv;
    private _version;
    private readonly _invoiceTypeMap;
    get isHeated(): boolean;
    private constructor();
    private static _getInstance;
    private _load;
    private _validate;
    /**
     * Set the schema version to use
     * @param version
     */
    static setVersion(version: SchemaVersion): Promise<void>;
    /**
     * Stringify an OIF object
     * @param invoice
     */
    static stringify(invoice: Invoice): Promise<string>;
    /**
     * Parse an JSON to an OIF object
     * @param json
     */
    static parse<T extends Invoice>(json: string): Promise<T>;
}

declare class BaseInvoice {
    version: Exclude<SchemaVersion, 'latest'>;
    /**
     * The id of the invoice
     */
    id: string;
    /**
     * The date when the invoice was created
     */
    createdAt: Date;
    /**
     * The date when the invoice was last updated
     */
    servicePeriod: {
        start: Date;
        end: Date;
    };
    /**
     * Type of the invoice
     */
    type: InvoiceType;
    /**
     * The payment information of the invoice
     */
    paymentInformation: PaymentInformation;
    /**
     * The items of the invoice
     * @param InvoiceItem[] items
     */
    items: InvoiceItem[];
    /**
     * The net price sum of the invoice
     */
    get netPriceSum(): number;
    /**
     * The tax sum of the invoice
     */
    get taxSum(): number;
    /**
     * The gross price sum of the invoice
     */
    get grossPriceSum(): number;
    /**
     * When this is a correcting invoice, this field contains the data of the invoice that will be corrected
     */
    correction?: CorrectingInvoiceData;
    constructor(id: string, servicePeriod: {
        start: Date;
        end: Date;
    });
}

declare class DefaultInvoice extends BaseInvoice {
    /**
     * @inheritDoc
     */
    readonly type = InvoiceType.INVOICE;
}

declare class RecurringInvoice extends BaseInvoice {
    /**
     * @inheritDoc
     */
    readonly type: InvoiceType.RECURRING_INVOICE;
    /**
     * @inheritDoc
     */
    paymentInformation: Exclude<PaymentInformation, CashPayment>;
    /**
     * Reference to the subscription that this invoice is for
     */
    subscriptionId?: string;
}

declare class PartialInvoice extends BaseInvoice {
    /**
     * @inheritDoc
     */
    readonly type: InvoiceType.PARTIAL_INVOICE;
    /**
     * The ID of the invoice that this invoice is a partial payment of
     */
    previousInvoiceId: string;
}

type Invoice = DefaultInvoice | RecurringInvoice | PartialInvoice | CancellationInvoice;

export { BaseInvoice as B, DefaultInvoice as D, type Invoice as I, PartialInvoice as P, RecurringInvoice as R, SchemaVersions as S, type SchemaVersion as a, SchemaProvider as b };