@Documented
@Retention(RUNTIME)
@Target(METHOD)
public @interface ConstructorArgs

The annotation that be grouping mapping definitions for constructor.

How to use:

 public interface UserMapper {
   @ConstructorArgs({
     @Arg(column = "id", javaType = int.class, id = true),
     @Arg(column = "name", javaType = String.class),
     @Arg(javaType = UserEmail.class, select = "selectUserEmailById", column = "id")
   })
   @Select("SELECT id, name FROM users WHERE id = #{id}")
   User selectById(int id);
 }