int sectPerAlloc = 8;
        long alloc = 1000000L;
        long free = 500000L;
        int bytesPerSect = 512;

        // Encode test data
        int offset = 0;
        SMBUtil.writeInt4(idFileSystem, buffer, offset); // idFileSystem (skipped)
        offset += 4;
        SMBUtil.writeInt4(sectPerAlloc, buffer, offset);
        offset += 4;
        SMBUtil.writeInt4((int) alloc, buffer, offset);
        offset += 4;

        })
        void shouldDecodeVariousSectorConfigurations(long alloc, long free, int sectPerAlloc, int bytesPerSect)
                throws SMBProtocolDecodingException {
            // Given
            ByteBuffer buffer = ByteBuffer.allocate(24);
            buffer.order(ByteOrder.LITTLE_ENDIAN);
            buffer.putLong(alloc);
            buffer.putLong(free);
            buffer.putInt(sectPerAlloc);

        })
        void shouldDecodeVariousSectorConfigurations(long alloc, long callerFree, long actualFree, int sectPerAlloc, int bytesPerSect)
                throws SMBProtocolDecodingException {
            // Given
            ByteBuffer buffer = ByteBuffer.allocate(32);
            buffer.order(ByteOrder.LITTLE_ENDIAN);
            buffer.putLong(alloc);
            buffer.putLong(callerFree);

            byte[] buffer = new byte[24];
            // Skip idFileSystem (4 bytes)
            buffer[4] = 0x08; // sectPerAlloc = 8
            buffer[8] = 0x00;
            buffer[9] = 0x10; // alloc = 4096
            buffer[12] = 0x00;
            buffer[13] = 0x08; // free = 2048
            buffer[16] = 0x00;
            buffer[17] = 0x02; // bytesPerSect = 512

        SMBUtil.writeInt4(0, buffer, offset);
        offset += 4;

        // sectPerAlloc (4 bytes)
        SMBUtil.writeInt4(8, buffer, offset);
        offset += 4;

        // alloc (4 bytes)
        SMBUtil.writeInt4(1000000, buffer, offset);
        offset += 4;

        // free (4 bytes)
        SMBUtil.writeInt4(500000, buffer, offset);
        offset += 4;

	// look ahead for ] - if the array is empty.
	if c = d.skipSpaces(); c == ']' {
		goto out
	}

scan:
	if v, err = d.emitAny(); err != nil {
		goto out
	}

	if d.depth > d.emitDepth { // skip alloc for array if it won't be emitted
		array = append(array, v)
	}

	// next token must be ',' or ']'
	switch c = d.skipSpaces(); c {
	case ',':
		d.skipSpaces()
		goto scan
	case ']':
		goto out

			}
			if err := w.mw.Flush(); err != nil {
				return err
			}
			return s2w.Close()
		}
		return nil
	}
}

var s2DecPool = bpool.Pool[*s2.Reader]{New: func() *s2.Reader {
	// Default alloc block for network transfer.
	return s2.NewReader(nil, s2.ReaderAllocBlock(16<<10))
}}

// metacacheReader allows reading a cache stream.
type metacacheReader struct {
	mr      *msgp.Reader

}

func (e *lockedLastMinuteLatency) add(value time.Duration) {
	e.addSize(value, 0)
}

// addSize will add a duration and size.
func (e *lockedLastMinuteLatency) addSize(value time.Duration, sz int64) {
	// alloc on every call, so we have a clean entry to swap in.
	t := time.Now().Unix()
	e.init.Do(func() {
		e.cached.Store(&AccElem{})
		atomic.StoreInt64(&e.cachedSec, t)
	})
	acc := e.cached.Load()

        ImmutableList<AclEntry> acl =
            ImmutableList.of(
                AclEntry.newBuilder()
                    .setType(ALLOW)
                    .setPrincipal(user)
                    .setPermissions(EnumSet.allOf(AclEntryPermission.class))
                    .setFlags(DIRECTORY_INHERIT, FILE_INHERIT)
                    .build());
        FileAttribute<ImmutableList<AclEntry>> attribute =

        assertEquals("1guest", permissionHelper.encode("(allow){user}guest"));
        assertEquals("Rguest", permissionHelper.encode("(allow){role}guest"));
        assertEquals("2guest", permissionHelper.encode("(allow){group}guest"));
        assertEquals("1guest", permissionHelper.encode("(allow){USER}guest"));
        assertEquals("Rguest", permissionHelper.encode("(allow){ROLE}guest"));