export declare class PerxCustomer {
    id: number;
    identifier: string | null;
    firstName: string | null;
    middleName: string | null;
    lastName: string | null;
    phone: string | null;
    email: string | null;
    birthdayYYYYMMDD: string | null;
    gender: string | null;
    state: 'active' | 'inactive';
    joinedAt: Date | null;
    passwordExpiresAt: Date | null;
}