import { PaymentItem } from '@rytass/payments';
import { InvoiceAwardType, InvoiceState } from './typings.cjs';
import { InvoiceAllowance } from './invoice-allowance.cjs';
export interface Invoice<Item extends PaymentItem> {
    readonly invoiceNumber: string;
    readonly issuedOn: Date;
    readonly allowances: InvoiceAllowance<PaymentItem>[];
    readonly issuedAmount: number;
    readonly randomCode: string;
    readonly items: Item[];
    state: InvoiceState;
    nowAmount: number;
    voidOn: Date | null;
    setVoid: () => void;
    awardType?: InvoiceAwardType;
}