val classGraph = JarAnalyzer("", keepClasses, keepClasses, setOf()).analyze(artifact, classesDir, manifestFile, buildReceiptFile)

        createJar(classGraph, classesDir, manifestFile, jarFile)

        return jarFile
    }

    private
    fun createJar(classGraph: ClassGraph, classesDir: File, manifestFile: File, jarFile: File) {
        try {

class MavenJarCreator {
    int minimumSizeKB = 0
    int maximumSizeKB = 0
    Random random = new Random(1L)
    byte[] charsToUse = "abcdefghijklmnopqrstuvwxyz0123456789".getBytes()

    void createJar(MavenModule mavenModule, File artifactFile) {
        try {
            artifactFile.withOutputStream { stream ->
                ZipOutputStream out = new ZipOutputStream(stream)

            publishArtifact(artifact)
        }
        publishArtifact([:])
        return this
    }

    void createEmptyJar(File artifactFile) {
        mavenJarCreator.createJar(this, artifactFile)
    }

    private File publishArtifact(Map<String, ?> artifact) {
        def artifactFile = artifactFile(artifact)
        if (type != 'pom') {
            if (type == 'jar') {