private val keepPackages: Set<String>,
    private val unshadedPackages: Set<String>,
    private val ignorePackages: Set<String>
) {

    fun analyze(jarFile: File, classesDir: File, manifestFile: File, buildReceipt: File): ClassGraph {
        val classGraph = classGraph()

        val jarUri = URI.create("jar:${jarFile.toPath().toUri()}")
        FileSystems.newFileSystem(jarUri, emptyMap<String, Any>()).use { jarFileSystem ->