val name = zipEntry.name
            if (name.endsWith(".class")) {
                processClassFile(zipEntry, builder)
            }
        }

        @Throws(IOException::class)
        private
        fun processClassFile(zipEntry: ZipEntry, builder: Trie.Builder) {
            val endIndex = zipEntry.name.lastIndexOf("/")
            if (endIndex > 0) {