return new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), UTF_8));
    }

    private GradleModuleMetadataWriter moduleMetadataWriter() {
        return new GradleModuleMetadataWriter(getBuildInvocationScopeId(), getChecksumService());
    }

    private boolean hasAttachedComponent() {
        InputState inputState = inputState();

    @Override
    public Object get() {
        return value.isolate();
    }

    @Nullable
    private String desugar() {
        // We support desugaring for all non-primitive types supported in GradleModuleMetadataWriter.writeAttributes(), which are:
        // - Named
        // - Enum
        if (Named.class.isAssignableFrom(attribute.getType())) {
            return ((Named) get()).getName();
        }

            publication,
            publications,
            checker,
            resolverFactory
        ).build().get()
        checker.validate()

        new GradleModuleMetadataWriter(
            new BuildInvocationScopeId(buildId),
            TestUtil.checksumService
        ).writeTo(writer, spec)
    }

    def "fails to write file for component with no variants"() {