roleQueryHelper.addCookieNameMapping("auth", "authenticated");

        Set<String> roleSet = new HashSet<>();
        Cookie unknownCookie = new Cookie("unknown", "value");
        roleQueryHelper.addRoleFromCookieMapping(roleSet, unknownCookie);

        assertEquals(0, roleSet.size());
    }

    public void test_buildByCookieNameMapping() {

    /** Proxy authentication scheme */
    protected AuthScheme proxyAuthScheme = new BasicScheme();

    /** Proxy credentials */
    protected Credentials proxyCredentials;

    /** Default MIME type for unknown content */
    protected String defaultMimeType = APPLICATION_OCTET_STREAM;

    /** Cookie store for managing cookies */
    protected CookieStore cookieStore = new BasicCookieStore();

        assertTrue(ctx.isSupported(oid));
        assertTrue(ctx.isPreferredMech(oid));
    }

    @Test
    @DisplayName("isSupported returns false for null/unknown OIDs")
    void isSupported_unknownOrNull() {
        assertFalse(ctx.isSupported(null));
        assertFalse(ctx.isPreferredMech(null));
        assertFalse(ctx.isSupported(new ASN1ObjectIdentifier("1.3.6.1.4.1.99999")));

        }
        try {
            return InetAddress.getLocalHost().getHostAddress();
        } catch (final UnknownHostException e) {
            logger.debug("Unknown hostname.", e);
        }
        return "Unknown";
    }

    /**
     * Sets up administrative HTML data for a given action.
     *
     * @param action  The action to set up data for.
     * @param runtime The action runtime.

     * method is not called before attempting to create an SMB URL with the
     * URL class the following exception will occur:
     * <blockquote><pre>
     * Exception MalformedURLException: unknown protocol: smb
     *     at java.net.URL.&lt;init&gt;(URL.java:480)
     *     at java.net.URL.&lt;init&gt;(URL.java:376)
     *     at java.net.URL.&lt;init&gt;(URL.java:330)

	pc, filename, lineNum, ok := runtime.Caller(n)
	if ok {
		filename = pathutil.Base(filename)
		funcName = strings.TrimPrefix(runtime.FuncForPC(pc).Name(),
			"github.com/minio/minio/cmd.")
	} else {
		filename = "<unknown>"
		lineNum = 0
	}

	return fmt.Sprintf("[%s:%d:%s()]", filename, lineNum, funcName)

	switch binary.LittleEndian.Uint16(data[0:2]) {
	case rebalMetaFmt:
	default:
		return fmt.Errorf("rebalanceMeta: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
	}
	switch binary.LittleEndian.Uint16(data[2:4]) {
	case rebalMetaVer:
	default:
		return fmt.Errorf("rebalanceMeta: unknown version: %d", binary.LittleEndian.Uint16(data[2:4]))
	}

	// OK, parse data.

/**
 * Constrains which certificates are trusted. Pinning certificates defends against attacks on
 * certificate authorities. It also prevents connections through man-in-the-middle certificate
 * authorities either known or unknown to the application's user.
 * This class currently pins a certificate's Subject Public Key Info as described on
 * [Adam Langley's Weblog][langley]. Pins are either base64 SHA-256 hashes as in

		}
		meta.BucketTargetsConfigUpdatedAt = updatedAt
		meta.BucketTargetsConfigMetaUpdatedAt = updatedAt
	default:
		return updatedAt, fmt.Errorf("Unknown bucket %s metadata update requested %s", bucket, configFile)
	}

	return updatedAt, sys.save(ctx, meta)
}

func (sys *BucketMetadataSys) save(ctx context.Context, meta BucketMetadata) error {

        Encdec.enc_uint32le(0x00000000, temp, 4); // Reserved
        Encdec.enc_uint64le(nanos1601, temp, 8);
        System.arraycopy(clientChallenge, 0, temp, 16, 8);
        Encdec.enc_uint32le(0x00000000, temp, 24); // Unknown
        if (avPairs != null) {
            System.arraycopy(avPairs, 0, temp, 28, avPairsLength);
        }
        Encdec.enc_uint32le(0x00000000, temp, 28 + avPairsLength); // mystery bytes!