variants {
                                create("broken") {
                                    artifact(b.flatMap { it.output })
                                    artifact(b.flatMap { throw new RuntimeException("broken variant artifact") })
                                }
                            }
                        }

func (r *RealDependencies) DetectIptablesVersion(ipV6 bool) (IptablesVersion, error) {
	// Begin detecting
	//
	// iptables variants all have ipv6 variants, so decide which set we're looking for
	var nftBin, legacyBin, plainBin string
	if ipV6 {
		nftBin = ip6tablesNftBin
		legacyBin = ip6tablesLegacyBin
		plainBin = ip6tablesBin
	} else {

    }

    def "shows published variant details"() {
        given:
        mavenRepo.with {
            def leaf = module('org.test', 'leaf', '1.0')
                .withModuleMetadata()

        if (findingExternalVariants) {
            // There is a cycle in the external variants
            LOGGER.warn("Detecting cycle in external variants for :\n" + computePathToRoot());
            findingExternalVariants = false;
            return null;
        }
        findingExternalVariants = true;
        // An external variant must have exactly one outgoing edge

    }

    def "each configuration contains a single variant containing the status attribute and the artifacts of the configuration"() {
        when:
        def runtime = metadata.getConfiguration("runtime")

        then:
        runtime.variants.size() == 1
        def firstVariant = runtime.variants.first()
        assertHasOnlyStatusAttribute(firstVariant.attributes)

project :A FAILED
   Failures:
      - Could not resolve project :A.
        Creating consumable variants is explained in more detail at https://docs.gradle.org/${GradleVersion.current().version}/userguide/declaring_dependencies.html#sec:resolvable-consumable-configs.
          - Unable to find a matching variant of project :A:
              - No variants exist.

project :A FAILED
\\--- conf
"""

        when:

    return VariantBinaryAddFunc(
        cc_ctx, cc_a.scalar<Variant>()(), cc_b.scalar<Variant>()(),
        cc_out->scalar<Variant>().data(), binary_add_func);
  } else {
    binary_add_func(ctx, a, b, out);
    return cc_ctx->status();
  }
}

static Status VariantBinaryAddFunc(
    ::tensorflow::OpKernelContext* cc_ctx, const Variant& a, const Variant& b,
    Variant* out,

    @Unroll("Selects variant #expectedVariant using custom attribute value #attributeValue")
    def "attribute value is used during selection"() {
        given:
        repository {
            'org:test:1.0' {
                variant('api') {
                    attribute('custom', 'c1')
                }
                variant('runtime') {
                    attribute('custom', 'c2')

        ModelContainer<?> model,
        CalculatedValueContainerFactory calculatedValueContainerFactory
    ) {
        // Perform any final mutating actions for this configuration and its parents.
        // Then, lock this configuration and its parents from mutation.
        // After we observe a configuration (by building its metadata), its state should not change.
        configuration.runDependencyActions();
        configuration.markAsObserved();

            }
            // TODO - move this to a base plugin
            // Setup the dependency on the main binary
            // This should all be replaced by a single dependency that points at some "testable" variants of the main binary

            // Inherit implementation dependencies
            testExecutable.getImplementationDependencies().extendsFrom(((DefaultCppBinary) testedBinary).getImplementationDependencies());