val entry = ZipEntry(entryName)
    entry.time = CONSTANT_TIME_FOR_ZIP_ENTRIES
    putNextEntry(entry)
    BufferedInputStream(FileInputStream(sourceFile)).use { inputStream -> inputStream.copyTo(this) }
    closeEntry()
}


fun File.getClassSuperTypes(): Set<String> {
    if (!path.endsWith(".class")) {
        throw IllegalArgumentException("Not a class file: $path")
    }