// string "ChecksumCRC32"
	o = append(o, 0xad, 0x43, 0x68, 0x65, 0x63, 0x6b, 0x73, 0x75, 0x6d, 0x43, 0x52, 0x43, 0x33, 0x32)
	o = msgp.AppendString(o, z.ChecksumCRC32)
	// string "ChecksumCRC32C"
	o = append(o, 0xae, 0x43, 0x68, 0x65, 0x63, 0x6b, 0x73, 0x75, 0x6d, 0x43, 0x52, 0x43, 0x33, 0x32, 0x43)
	o = msgp.AppendString(o, z.ChecksumCRC32C)
	// string "ChecksumSHA1"

	err = en.Append(0x80 | uint8(zb0001Len))
	if err != nil {
		return
	}
	if zb0001Len == 0 {
		return
	}
	if (zb0001Mask & 0x1) == 0 { // if not omitted
		// write "V2Obj"
		err = en.Append(0xa5, 0x56, 0x32, 0x4f, 0x62, 0x6a)
		if err != nil {
			return
		}
		if z.ObjectV2 == nil {
			err = en.WriteNil()
			if err != nil {
				return
			}
		} else {
			// map header, size 1
			// write "DDir"

 *
 * @see java.io.File
 */

public class SmbFile extends URLConnection implements SmbResource, SmbConstants {
    protected static final int ATTR_GET_MASK = 0x7FFF;
    protected static final int ATTR_SET_MASK = 0x30A7;
    protected static final int DEFAULT_ATTR_EXPIRATION_PERIOD = 5000;

    protected static final int HASH_DOT = ".".hashCode();
    protected static final int HASH_DOT_DOT = "..".hashCode();