import javax.persistence.IdClass;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;
import javax.persistence.IdClass;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import lombok.AllArgsConstructor;
import lombok.EqualsAndHashCode;
import javax.validation.constraints.Size;
import lombok.AllArgsConstructor;
import lombok.EqualsAndHashCode;