@Mapping(target = "someAtribute", source = "source.attribute")
    @Mapping(target = "otherAttribute", source = "otherSource.anotherAttribute")
    public abstract Target mapFromSource(Source source, OtherSource otherSource);

    @InheritConfiguration(name = "mapFromSource")
    @Mapping(target = "otherAttribute", source = "source", qualifiedByName = "otherMapping")
    public abstract Target mapInherited(Source source, OtherSource otherSource);

    @Named("otherMapping")
    protected Long otherMapping(Source source) {
        return source.getAttribute() != null ? 1L : 0L;
    }