export class InvoiceItemDto { name: string; count: number; unitPrice: number; discount: number; } export interface IDanakCorpQuotaPurchaseRequest { businessId: string; danakSubscriptionId: string; quotaAmount: number; items: InvoiceItemDto[]; description?: string; } export interface IDanakCorpQuotaPurchaseResponse { success: boolean; data?: { invoice: { id: string; [key: string]: unknown; }; }; error?: string; }