base64Alphabet; private static byte[] lookUpBase64Alphabet; public void Base64(); private static boolean isBase64(byte); public static boolean isArrayByteBase64(byte[]); public static byte[] encodeBase64(byte[]); public static byte[] encodeBase64Chunked(byte[]); public byte[] decode(byte[]); public static byte[] encodeBase64(byte[], boolean); public static byte[] decodeBase64(byte[]); static byte[] discardWhitespace(byte[]); static byte[] discardNonBase64(byte[]); public byte[] encode(byte[]); static void...