throw UnsupportedOperationException("Should not be called")
    }
}


private
object EmptyVariantTransformRegistry : VariantTransformRegistry {
    override fun <T : TransformParameters?> registerTransform(actionType: Class<out TransformAction<T>>, registrationAction: Action<in org.gradle.api.artifacts.transform.TransformSpec<T>>) {
        throw UnsupportedOperationException("Should not be called")
    }

                // unique from each other
                registerTransform(BrokenTransform::class.java) {
                    from.attribute(color, "blue")
                    to.attribute(color, "red")
                    from.attribute(matter, "liquid")
                    to.attribute(matter, "solid")
                }
                registerTransform(BrokenTransform::class.java) {

                    println "Executing unzip transform..."
                    super.transform(outputs)
                }
            }

            dependencies {
                registerTransform(TestUnzipTransform) {
                    from.attribute(artifactType, "zip").attribute(compressed, true)
                    to.attribute(artifactType, "directory").attribute(compressed, false)
                }

        output << "transformed"
    }
}

dependencies {
    compile files('test-lib.jar')
    compile project(':lib')
    compile project(':ui')
    compile 'org:test:1.0'
    registerTransform(VariantArtifactTransform) {
        from.attribute(usage, "api")
        to.attribute(usage, "transformed")
    }
}

project(':lib') {
    configurations {
        compile {