package com.ruoyi.ss.refund.service;

import com.ruoyi.ss.refund.domain.RefundBO;
import com.ruoyi.ss.refund.domain.RefundDTO;
import org.springframework.stereotype.Service;

@Service
public interface IRefundValidator {

    /**
     * 退款前校验
     * @param dto 退款请求参数
     * @return
     */
    RefundBO preRefund(RefundDTO dto);
}
