import { PrismaClient } from '@prisma/client';
import { DashboardInvoice } from './dashboard-invoice.model';
export declare class DashboardInvoiceService {
    private prisma;
    constructor(prisma: PrismaClient);
    expectedRevenue(start: Date, end: Date): Promise<DashboardInvoice[]>;
    revenue(start: Date, end: Date): Promise<DashboardInvoice[]>;
}