> port         (port)               MySQL server port (used only if `dsn_string` is empty)
> username     (string)             database username (used only if `dsn_string` is empty)
> password     (string)             database password (used only if `dsn_string` is empty)
> database     (string)             database name (used only if `dsn_string` is empty)
> ```
>

y":"keep_alive_interval","value":"0s"},{"key":"reconnect_interval","value":"0s"},{"key":"queue_dir","value":""},{"key":"queue_limit","value":"0"}]},"notify_mysql":{"_":[{"key":"enable","value":"off"},{"key":"format","value":"namespace"},{"key":"dsn_string","value":""},{"key":"table","value":""},{"key":"queue_dir","value":""},{"key":"queue_limit","value":"0"},{"key":"max_open_connections","value":"2"}]},"notify_nats":{"_":[{"key":"enable","value":"off"},{"key":"address","value":""},{"key":"subjec...

            NtlmChallenge nc = new NtlmChallenge(challenge, dc);
            String result = nc.toString();

            // The format is: NtlmChallenge[challenge=0x<hex>,dc=<dc_string>]
            assertTrue(result.startsWith("NtlmChallenge[challenge=0x"));
            assertTrue(result.endsWith(",dc=SERVER123]"));

            // Hexdump.toHexString with size = length * 2 produces 8 uppercase hex chars