var zb0001Mask uint8 /* 8 bits */
	_ = zb0001Mask
	if z.Index == nil {
		zb0001Len--
		zb0001Mask |= 0x20
	}
	if z.Checksums == nil {
		zb0001Len--
		zb0001Mask |= 0x40
	}
	if z.Error == "" {
		zb0001Len--
		zb0001Mask |= 0x80
	}
	// variable map header, size zb0001Len
	err = en.Append(0x80 | uint8(zb0001Len))
	if err != nil {
		return
	}
	if zb0001Len == 0 {
		return
	}

	if z.OldDataDir == "" {
		zb0001Len--
		zb0001Mask |= 0x10
	}
	// variable map header, size zb0001Len
	o = append(o, 0x80|uint8(zb0001Len))
	if zb0001Len == 0 {
		return
	}
	// string "BaseOptions"
	o = append(o, 0xab, 0x42, 0x61, 0x73, 0x65, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73)
	// map header, size 0
	_ = z.BaseOptions
	o = append(o, 0x80)
	// string "r"
	o = append(o, 0xa1, 0x72)

	o = msgp.AppendUint8(o, uint8(z.BitrotChecksumAlgo))
	// string "PartNums"
	o = append(o, 0xa8, 0x50, 0x61, 0x72, 0x74, 0x4e, 0x75, 0x6d, 0x73)
	o = msgp.AppendArrayHeader(o, uint32(len(z.PartNumbers)))
	for za0004 := range z.PartNumbers {
		o = msgp.AppendInt(o, z.PartNumbers[za0004])
	}
	// string "PartETags"
	o = append(o, 0xa9, 0x50, 0x61, 0x72, 0x74, 0x45, 0x54, 0x61, 0x67, 0x73)
	if z.PartETags == nil { // allownil: if nil

              new byte[] {(byte) 0xcd, (byte) 0xab, (byte) 0x00, (byte) 0x00},
              0x0000abcd,
              null,
              "cdab0000"),
          new ExpectedHashCode(
              new byte[] {
                (byte) 0xef, (byte) 0xcd, (byte) 0xab, (byte) 0x00,
                (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
              },
              0x00abcdef,
              0x0000000000abcdefL,

              new byte[] {(byte) 0xcd, (byte) 0xab, (byte) 0x00, (byte) 0x00},
              0x0000abcd,
              null,
              "cdab0000"),
          new ExpectedHashCode(
              new byte[] {
                (byte) 0xef, (byte) 0xcd, (byte) 0xab, (byte) 0x00,
                (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
              },
              0x00abcdef,
              0x0000000000abcdefL,

	MOVF.NE	(g), F3                                   // 003a9a1d
	MOVD	(g), F3                                   // 003b9aed
	MOVF	0x20(R3), F9       // MOVF 32(R3), F9     // 089a93ed
	MOVD.EQ	0x20(R4), F9       // MOVD.EQ 32(R4), F9  // 089b940d
	MOVF.NE	-0x20(g), F3       // MOVF.NE -32(g), F3  // 083a1a1d
	MOVD	-0x20(g), F3       // MOVD -32(g), F3     // 083b1aed
	MOVF	F9, (R4)                                  // 009a84ed

		return
	}
	// write "LastUpdate"
	err = en.Append(0xaa, 0x4c, 0x61, 0x73, 0x74, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65)
	if err != nil {
		return
	}
	err = en.WriteTime(z.LastUpdate)
	if err != nil {
		err = msgp.WrapError(err, "LastUpdate")
		return
	}
	// write "SkipHealing"
	err = en.Append(0xab, 0x53, 0x6b, 0x69, 0x70, 0x48, 0x65, 0x61, 0x6c, 0x69, 0x6e, 0x67)
	if err != nil {
		return
	}

  }

  public void testBase32InvalidDecodings() {
    // These contain bytes not in the decodabet.
    assertFailsToDecode(base32(), "A ", "Unrecognized character: 0x20");
    assertFailsToDecode(base32(), "Wf2!", "Unrecognized character: f");
    // This sentence just isn't base32() encoded.
    assertFailsToDecode(base32(), "let's not talk of love or chains!");

   */
  public abstract long asLong();

  /**
   * If this hashcode has enough bits, returns {@code asLong()}, otherwise returns a {@code long}
   * value with {@code asBytes()} as the least-significant bytes and {@code 0x00} as the remaining
   * most-significant bytes.
   *
   * @since 14.0 (since 11.0 as {@code Hashing.padToLong(HashCode)})
   */
  public abstract long padToLong();

  /**

   */
  public abstract long asLong();

  /**
   * If this hashcode has enough bits, returns {@code asLong()}, otherwise returns a {@code long}
   * value with {@code asBytes()} as the least-significant bytes and {@code 0x00} as the remaining
   * most-significant bytes.
   *
   * @since 14.0 (since 11.0 as {@code Hashing.padToLong(HashCode)})
   */
  public abstract long padToLong();

  /**