Conditional mapping by group

Use case

Can we have a specific annotation for conditional mapping?

class PersonDto {

    @MapOn({
            ValidationGroup.Create.class
    })
    @NotBlank({
            ValidationGroup.Create.class
    })
    private String name; // not gonna changed once inserted

    @MapOn({
            ValidationGroup.Create.class,
            ValidationGroup.Update.class
    })
    @NotBlank({
        ValidationGroup.Create.class,
        ValidationGroup.Update.class
    })
    private String address; // may be updated whenever moved
}

class PersonEntity {

    @Column(name = "name", nullable = false, insertable = true,
        updatable = false // <<<<<<<<<<<<<<<<<<<<<<<<<<<
    )
    private String name;

    @Column(name = "address", nullable = false, insertable = true, 
        updatable = true // <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
    )
    private String address;
}

public interface _BaseEntityTypeMapper<T extends _BaseEntityType<T>, U extends _BaseEntity<U>>
        extends __BaseTypeMapper<T> {

    U mapToEntity(T source, @MappingTarget U target, Class<?>... groups);

class PeopleController {

    void create(@Validated(ValidationGroup.Create.class) PersonDto personDto) {
        // maps name and address
        PersonEntity entity = personMapper.mapToEntity(personDto, new PersonEntity(), ValidationGroup.Create.class);
    }

    void update(@Validated(ValidationGroup.Update.class) PersonDto personDto) {
        PersonEntity personEntity = findById(0L);
        // maps `address` only
        PersonEntity entity = personMapper.mapToEntity(personDto, personEntity, ValidationGroup.Update.class);
    }
}

Generated Code

No response

Possible workarounds

No response

MapStruct Version

No response

Start with the @MapOn examples and the _BaseEntityTypeMapper.mapToEntity entry point, including its Class<?>... groups parameter. Define how mapping should differ for Create and Update groups, then verify that name maps only on create while address maps on both operations; the issue names no files or tests to run.