import { CreditTransaction } from './credit.model';
import { ReturnModelType } from '@typegoose/typegoose';
import { RefundCreditTransactionDto, ReceiveCreditTransactionDto, SpentCreditTransactionDto } from './credit.interface';
import { QueryPopulateOptions } from 'mongoose';
import { MembershipService } from '~backend/marketing/membership/membership.service';
import mongodb from 'mongodb';
import { MailService } from '~backend/mail/mail.service';
import { FreeCreditOption } from '../marketing.model';
export declare class CreditService {
    readonly creditModel: ReturnModelType<typeof CreditTransaction>;
    private readonly membershipService;
    private readonly mailService;
    private readonly logger;
    constructor(creditModel: ReturnModelType<typeof CreditTransaction>, membershipService: MembershipService, mailService: MailService);
    static getExpiredAt(credit: FreeCreditOption, date?: Date): any;
    get memberModel(): ReturnModelType<typeof import("../membership/membership.model").Member.Member>;
    findById(id: any): Promise<any>;
    findByMember(id: string, populates?: (string | QueryPopulateOptions)[]): Promise<any>;
    runCreditCycle(currentTime?: Date): Promise<void>;
    receiveCredit(payload: ReceiveCreditTransactionDto, session: mongodb.ClientSession): Promise<any>;
    refundReceive(payload: RefundCreditTransactionDto, session: mongodb.ClientSession): Promise<any>;
    spentCredit(payload: SpentCreditTransactionDto, session: mongodb.ClientSession): Promise<any>;
    refundSpent(payload: RefundCreditTransactionDto, session: mongodb.ClientSession): Promise<any>;
}