override fun visit(visitor: ResolvedArtifactSet.Visitor) {
        throw UnsupportedOperationException("Should not be called")
    }

    override fun visitTransformSources(visitor: ResolvedArtifactSet.TransformSourceVisitor) {
        throw UnsupportedOperationException("Should not be called")
    }

    override fun visitExternalArtifacts(visitor: Action<ResolvableArtifact>) {