final BitSet bits = new BitSet(index.size());

          @Override
          @CheckForNull
          protected Set<E> computeNext() {
            if (bits.isEmpty()) {
              bits.set(0, size);
            } else {
              int firstSetBit = bits.nextSetBit(0);
              int bitToFlip = bits.nextClearBit(firstSetBit);

	}
	return
}

// EncodeMsg implements msgp.Encodable
func (z *xlMetaDataDirDecoder) EncodeMsg(en *msgp.Writer) (err error) {
	// check for omitted fields
	zb0001Len := uint32(1)
	var zb0001Mask uint8 /* 1 bits */
	_ = zb0001Mask
	if z.ObjectV2 == nil {
		zb0001Len--
		zb0001Mask |= 0x1
	}
	// variable map header, size zb0001Len
	err = en.Append(0x80 | uint8(zb0001Len))
	if err != nil {
		return
	}

)

const letterBytes = "abcdefghijklmnopqrstuvwxyz01234569"
const (
	letterIdxBits = 6                    // 6 bits to represent a letter index
	letterIdxMask = 1<<letterIdxBits - 1 // All 1-bits, as many as letterIdxBits
	letterIdxMax  = 63 / letterIdxBits   // # of letter indices fitting in 63 bits
)

// Random number state.
// We generate random temporary file names so that there's a good

   * tables, that otherwise encounter collisions for hash codes that do not differ in lower or upper
   * bits.
   *
   * @param h hash code
   */
  static int rehash(int h) {
    // Spread bits to regularize both segment and index locations,
    // using variant of single-word Wang/Jenkins hash.
    // TODO(kevinb): use Hashing/move this to Hashing?

&eamo?ustam??ma&nnak?ta??nukonuzi?orukuf??nohenawak?o&nosus?ti??u&stamamah?z&a&mun?wak??i!ay?i&hs&agih?in??manim??mihs????????m&a&tias!.&a&d&ihsoy?ot?usah??k&a&dih?sa??o&arihs?s???m&a&tias?y&as?o&rom?tah??ustamihsagih???i&hsagurust?jawak??uri??ni?wa&g&e&ko?man??ikot?o??k&ara?i&hsoy?mak???ru?zorokot??y&a&g&amuk?ihsok?otah??kuf??imo??ziin??e&bakusak?ogawak?sogo?ttas?zokoy??i&baraw?h&cugawak?s&oyim?ubustam???iroy?k&ato?ihs?u&k?stawi???m&akoyr?i&hsoy?juf??uziimak???naznar?o&dakas?ihsay?jnoh?n&a&go?n",...

    return totalCharacters <= SmallCharMatcher.MAX_SIZE
        && tableLength > (totalCharacters * 4 * Character.SIZE);
    // err on the side of BitSetMatcher
  }

  /** Sets bits in {@code table} matched by this matcher. */
  @GwtIncompatible // used only from other GwtIncompatible code
  void setBits(BitSet table) {
    for (int c = Character.MAX_VALUE; c >= Character.MIN_VALUE; c--) {

    return totalCharacters <= SmallCharMatcher.MAX_SIZE
        && tableLength > (totalCharacters * 4 * Character.SIZE);
    // err on the side of BitSetMatcher
  }

  /** Sets bits in {@code table} matched by this matcher. */
  @GwtIncompatible // used only from other GwtIncompatible code
  void setBits(BitSet table) {
    for (int c = Character.MAX_VALUE; c >= Character.MIN_VALUE; c--) {

	EON	$0x22220000, R3, R4                 // EON	$572653568, R3, R4              // 5b44a4d264003bca
	ANDS	$0x22220000, R3, R4                 // ANDS	$572653568, R3, R4              // 5b44a4d264001bea
	BICS	$0x22220000, R3, R4                 // BICS	$572653568, R3, R4              // 5b44a4d264003bea
	EOR	$0xe03fffffffffffff, R20, R22       // EOR	$-2287828610704211969, R20, R22 // 96e243d2

		return true
	}
	return false
}

// Comment from Darwin's CFInternal.h
/*
// Tagged pointer support
// Low-bit set means tagged object, next 3 bits (currently)
// define the tagged object class, next 4 bits are for type
// information for the specific tagged object class.  Thus,
// the low byte is for type info, and the rest of a pointer
// (32 or 64-bit) is for payload, whatever the tagged class.

	WrittenByVersion uint64                `msg:"v"` // Tracks written by MinIO version
}

// xlFlags contains flags on the object.
// This can be extended up to 64 bits without breaking compatibility.
type xlFlags uint8

const (
	xlFlagFreeVersion xlFlags = 1 << iota
	xlFlagUsesDataDir
	xlFlagInlineData
)

func (x xlFlags) String() string {
	var s strings.Builder