private final MutableModelNode sources;

    public BaseComponentSpec() {
        MutableModelNode modelNode = getInfo().modelNode;
        binaries = ModelMaps.addModelMapNode(modelNode, BINARY_SPEC_MODEL_TYPE, "binaries");
        sources = ModelMaps.addModelMapNode(modelNode, LANGUAGE_SOURCE_SET_MODEL_TYPE, "sources");
    }

    @Override
    public ModelMap<LanguageSourceSet> getSources() {

        Cast.uncheckedCast(ModelType.of(ChildNodeInitializerStrategy.class));

    public static <T> MutableModelNode addModelMapNode(MutableModelNode modelNode, ModelType<T> elementModelType, String name) {
        modelNode.addLink(
            ModelRegistrations.of(modelNode.getPath().child(name))

        this.inputSourceSets = info.domainObjectCollectionFactory.newDomainObjectSet(LanguageSourceSet.class);

        MutableModelNode modelNode = info.modelNode;
        sources = ModelMaps.addModelMapNode(modelNode, LANGUAGE_SOURCE_SET_MODELTYPE, "sources");
        ModelRegistration itemRegistration = ModelRegistrations.of(modelNode.getPath().child("tasks"))