assertEquals(3, pairs.size(), "Should start with 3 pairs");

        AvPairs.remove(pairs, AvPair.MsvAvFlags);

        assertEquals(1, pairs.size(), "Should have 1 pair after removal");
        assertFalse(AvPairs.contains(pairs, AvPair.MsvAvFlags), "Should not contain MsvAvFlags");
        assertTrue(AvPairs.contains(pairs, AvPair.MsvAvTimestamp), "Should still contain MsvAvTimestamp");
    }

    /**

    }

    @Test
    void testConstants() {
        assertEquals(0x0, AvPair.MsvAvEOL, "MsvAvEOL constant should be 0x0.");
        assertEquals(0x6, AvPair.MsvAvFlags, "MsvAvFlags constant should be 0x6.");
        assertEquals(0x7, AvPair.MsvAvTimestamp, "MsvAvTimestamp constant should be 0x7.");
        assertEquals(0x08, AvPair.MsvAvSingleHost, "MsvAvSingleHost constant should be 0x08.");

 */
public class AvFlags extends AvPair {

    /**
     * Constructs an AV flags pair from raw bytes
     * @param raw the raw flag bytes
     */
    public AvFlags(final byte[] raw) {
        super(AvPair.MsvAvFlags, raw);
    }

    /**
     * Constructs an AV flags pair from integer flags
     * @param flags the flag values as integer
     */
    public AvFlags(final int flags) {
        this(encode(flags));
    }

 *
 * @author mbechler
 */
public class AvPair {

    /**
     * EOL type
     */
    public static final int MsvAvEOL = 0x0;

    /**
     * Flags type
     */
    public static final int MsvAvFlags = 0x6;

    /**
     * Timestamp type
     */
    public static final int MsvAvTimestamp = 0x7;

    /**
     * Single host type
     */
    public static final int MsvAvSingleHost = 0x08;

        pos += 4;
        return enc;
    }

    private static AvPair parseAvPair(final int avId, final byte[] raw) {
        return switch (avId) {
        case AvPair.MsvAvFlags -> new AvFlags(raw);
        case AvPair.MsvAvTimestamp -> new AvTimestamp(raw);
        case AvPair.MsvAvTargetName -> new AvTargetName(raw);
        case AvPair.MsvAvSingleHost -> new AvSingleHost(raw);

            // should provide MIC
            this.micRequired = true;
            this.mic = new byte[16];
            int curFlags = 0;
            final AvFlags cur = (AvFlags) AvPairs.get(serverAvPairs, AvPair.MsvAvFlags);
            if (cur != null) {
                curFlags = cur.getFlags();
            }
            curFlags |= 0x2; // MAC present
            AvPairs.replace(serverAvPairs, new AvFlags(curFlags));
        }