bytes[15], bytes[14], bytes[13], bytes[12], bytes[11], bytes[10], bytes[9], bytes[8]);
    }
  };

  /**
   * Models a lock-free array of bits.
   *
   * <p>We use this instead of java.util.BitSet because we need access to the array of longs and we
   * need compare-and-swap.
   */
  static final class LockFreeBitArray {
    private static final int LONG_ADDRESSABLE_BITS = 6;
    final AtomicLongArray data;

    // Serial form:
    // 1 signed byte for the strategy
    // 1 unsigned byte for the number of hash functions
    // 1 big endian int, the number of longs in our bitset
    // N big endian longs of our bitset
    DataOutputStream dout = new DataOutputStream(out);
    dout.writeByte(SignedBytes.checkedCast(strategy.ordinal()));

    // Serial form:
    // 1 signed byte for the strategy
    // 1 unsigned byte for the number of hash functions
    // 1 big endian int, the number of longs in our bitset
    // N big endian longs of our bitset
    DataOutputStream dout = new DataOutputStream(out);
    dout.writeByte(SignedBytes.checkedCast(strategy.ordinal()));

      }
    }

    private @Nullable Object[] lastEntryForEachKey(
        @Nullable Object[] localAlternatingKeysAndValues, int size) {
      Set<Object> seenKeys = new HashSet<>();
      BitSet dups = new BitSet(); // slots that are overridden by a later duplicate key
      for (int i = size - 1; i >= 0; i--) {
        Object key = requireNonNull(localAlternatingKeysAndValues[2 * i]);
        if (!seenKeys.add(key)) {

limitations under the License.
==============================================================================*/

#include "tensorflow/compiler/mlir/tensorflow/analysis/side_effect_analysis.h"

#include <bitset>
#include <limits>
#include <map>
#include <optional>
#include <string>
#include <unordered_map>
#include <utility>

#include "absl/container/flat_hash_map.h"
#include "absl/container/flat_hash_set.h"

     * @throws CIFSException
     */
    long fileIndex () throws CIFSException;


    /**
     * Return the attributes of this file. Attributes are represented as a
     * bitset that must be masked with <tt>ATTR_*</tt> constants to determine
     * if they are set or unset. The value returned is suitable for use with
     * the <tt>setAttributes()</tt> method.
     *

     * {@code null} is returned.
     */
    @CheckForNull
    private static <K, V> Entry<K, V>[] lastEntryForEachKey(Entry<K, V>[] entries, int size) {
      Set<K> seen = new HashSet<>();
      BitSet dups = new BitSet(); // slots that are overridden by a later duplicate key
      for (int i = size - 1; i >= 0; i--) {
        if (!seen.add(entries[i].getKey())) {
          dups.set(i);
        }
      }

See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/
#include <bitset>
#include <functional>
#include <ios>
#include <memory>
#include <optional>
#include <queue>
#include <sstream>
#include <string>
#include <unordered_map>

#include "absl/strings/match.h"

// digits accepts the sequence { digit | '_' }.
// If base <= 10, digits accepts any decimal digit but records
// the index (relative to the literal start) of a digit >= base
// in *invalid, if *invalid < 0.
// digits returns a bitset describing whether the sequence contained
// digits (bit 0 is set), or separators '_' (bit 1 is set).
func (s *scanner) digits(base int, invalid *int) (digsep int) {
	if base <= 10 {
		max := rune('0' + base)

// If base <= 10, digits accepts any decimal digit but records
// the first invalid digit >= base in *invalid if *invalid == 0.
// digits returns the first rune that is not part of the sequence
// anymore, and a bitset describing whether the sequence contained
// digits (bit 0 is set), or separators '_' (bit 1 is set).
func (s *Scanner) digits(ch0 rune, base int, invalid *rune) (ch rune, digsep int) {
	ch = ch0
	if base <= 10 {