Surcharge

class Surcharge extends VendureEntity {    constructor(input?: DeepPartial<Surcharge>)    @Column()    description: string;    @Money()    listPrice: number;    @Column()    listPriceIncludesTax: boolean;    @Column()    sku: string;    @Column('simple-json')    taxLines: TaxLine[];    @Index()    @ManyToOne(type => Order, order => order.surcharges, {        onDelete: 'CASCADE',        orphanedRowAction: 'disable',    })    order: Order;    @Index()    @ManyToOne(type => OrderModification, orderModification => orderModification.surcharges)    orderModification: OrderModification;    price: number    priceWithTax: number    taxRate: number}