import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.validation.Valid;
import javax.validation.constraints.Digits;
import lombok.AllArgsConstructor;
import javax.validation.Valid;
import javax.validation.constraints.Digits;
import lombok.AllArgsConstructor;