import { ConfigService } from '@nestjs/config';
import { Repository } from 'typeorm';
import { Subscription } from './entities/subscription.entity';
import { Transaction, PaymentProvider } from './entities/transaction.entity';
import { Tenant } from '../auth/entities/tenant.entity';
import { MailService } from '../common/mail.service';
export declare class BillingService {
    private subscriptionRepository;
    private transactionRepository;
    private tenantRepository;
    private configService;
    private mailService;
    private readonly logger;
    constructor(subscriptionRepository: Repository<Subscription>, transactionRepository: Repository<Transaction>, tenantRepository: Repository<Tenant>, configService: ConfigService, mailService: MailService);
    getIframeId(): string;
    getSubscription(tenantId: string): Promise<Subscription>;
    processSuccessfulPayment(externalTxId: string, provider: PaymentProvider, amount: number, metadata: any): Promise<void>;
    private upgradeTenantPlan;
    getTransactionHistory(tenantId: string): Promise<Transaction[]>;
}