@Override
    void doAddDependencyMetadataRule(MutableModuleComponentResolveMetadata metadataImplementation, String variantName, Action<? super DependenciesMetadata> action) {
        metadataImplementation.variantMetadataRules.addDependencyAction(instantiator, notationParser, constraintNotationParser, variantAction(variantName, action))
    }

        if (variantFilesRules != null) {
            return variantFilesRules.executeForFiles(variant, declaredFiles, componentIdentifier);
        }
        return declaredFiles;
    }

        ]).asImmutable().withDerivationStrategy(JavaEcosystemVariantDerivationStrategy.instance).asMutable()

        when:
        mavenMetadata.variantMetadataRules.addDependencyAction(instantiator, notationParser, constraintNotationParser, variantAction("default", {
            assert it.size() == 1
            assert it[0].name == "notOptional"
        }))

    }

    @Override
    public void withDependencies(Action<? super DirectDependenciesMetadata> action) {
        metadata.getVariantMetadataRules().addDependencyAction(instantiator, dependencyMetadataNotationParser, dependencyConstraintMetadataNotationParser, new VariantMetadataRules.VariantAction<>(variantName, action));
    }

    @Override

        this.dependencyConstraintNotationParser = dependencyConstraintNotationParser;
        this.attributesFactory = attributesFactory;
    }

    public void addDependencyAction(VariantMetadataRules.VariantAction<? super DirectDependenciesMetadata> action) {
        dependencyActions.add(action);
    }