rankdir=LR

  compileVariantSwift -> {linkVariant, createVariant} -> assembleVariant [dir=back, style=dashed]
  compileVariantSwift[label=<compile<i>Variant</i>Swift>]
  linkVariant[label=<link<i>Variant</i>>]
  createVariant[label=<create<i>Variant</i>>]
  assembleVariant[label=<assemble<i>Variant</i>>]

  // Adds linkage text between link* and create*
  linkVariant -> linkageText -> createVariant [style=invis]

  rankdir=LR

  compileVariantCpp -> {linkVariant, createVariant} -> assembleVariant [dir=back, style=dashed]
  compileVariantCpp[label=<compile<i>Variant</i>Cpp>]
  linkVariant[label=<link<i>Variant</i>>]
  createVariant[label=<create<i>Variant</i>>]
  assembleVariant[label=<assemble<i>Variant</i>>]

  // Adds linkage text between link* and create*
  linkVariant -> linkageText -> createVariant [style=invis]

    MavenModule variant(String variant, Map<String, String> attributes) {
        createVariant(variant, attributes)
        return this
    }

    @Override
    MavenModule variant(String variant, Map<String, String> attributes, @DelegatesTo(value = VariantMetadataSpec, strategy = Closure.DELEGATE_FIRST) Closure<?> variantConfiguration) {
        def v = createVariant(variant, attributes)
        variantConfiguration.delegate = v

        def artifact2 = Mock(PublishArtifact)
        artifact2.file >> artifactFile
        artifact2.classifier >> ""
        artifact2.extension >> "jar"
        def variant1 = createVariant([artifact1], [], 'api')
        def variant2 = createVariant([artifact2], [], 'runtime')
        def component = Stub(SoftwareComponentInternal)
        component.usages >> [variant1, variant2]
        def mavenArtifact = Mock(MavenArtifact)

        return this
    }

    @Override
    IvyFileModule variant(String variant, Map<String, String> attributes) {
        createVariant(variant, attributes)
        return this
    }

    private VariantMetadataSpec createVariant(String variant, Map<String, String> attributes) {
        def variantMetadata = new VariantMetadataSpec(variant, attributes)
        variants.add(variantMetadata)