import { DomainEntity, DomainLiteral, Ref } from 'domain-objects';
import { DeclaredStripeDiscountCoupon } from './DeclaredStripeDiscountCoupon';
import { DeclaredStripeInvoice } from './DeclaredStripeInvoice';
import { DeclaredStripeProduct } from './DeclaredStripeProduct';
/**
 * .what = a declarative structure which represents a Stripe Invoice Item
 *
 * ref
 * - https://docs.stripe.com/api/invoiceitems
 */
export interface DeclaredStripeInvoiceItem {
    /**
     * the public stripe id of this invoice item
     */
    id?: string;
    /**
     * an external identifier which uniquely references this item, per customer
     *
     * note
     * - this exid is persisted via the metadata of the item
     */
    exid: string;
    /**
     * the invoice this item should be assigned to
     */
    invoiceRef: Ref<typeof DeclaredStripeInvoice>;
    /**
     * the product of the item, which contains the price of the item
     */
    productRef: Ref<typeof DeclaredStripeProduct>;
    /**
     * the discounts to apply, if any
     */
    discounts: null | DeclaredStripeDiscountCoupon[];
    /**
     * metadata about the item which can be used to crossreference information, if any
     */
    metadata: null | Omit<Record<string, string>, 'exid'>;
    /**
     * a description of the item used to display to consumers, if set
     */
    description: null | string;
}
export declare class DeclaredStripeInvoiceItem extends DomainEntity<DeclaredStripeInvoiceItem> implements DeclaredStripeInvoiceItem {
    static primary: readonly ["id"];
    static unique: readonly ["invoiceRef", "exid"];
    static nested: {
        metadata: typeof DomainLiteral;
    };
}