import mongoose, { Document } from 'mongoose';
export declare enum DiscountType {
    PERCENTAGE = "percentage",
    AMOUNT = "amount"
}
export interface IReferralCode extends Document {
    code: string;
    clientId: string;
    discountType: DiscountType;
    discountValue: number;
    usageLimit?: number;
    usedCount: number;
    isActive: boolean;
    createdAt: Date;
}
export declare const ReferralCode: mongoose.Model<IReferralCode, {}, {}, {}, mongoose.Document<unknown, {}, IReferralCode, {}, {}> & IReferralCode & Required<{
    _id: mongoose.Types.ObjectId;
}> & {
    __v: number;
}, any>;