// the behavior is verified by researching the source code.
		//
		//	$ bsdtar -tvf pax-global-records.tar
		//	----------  0 0      0           0 Dec 31  1969 file1
		//	----------  0 0      0           0 Dec 31  1969 file2
		//	----------  0 0      0           0 Dec 31  1969 file3
		//	----------  0 0      0           0 May 13  2014 file4
		//
		// GNU tar v1.27.1 applies global headers to subsequent records,

            @Override
            public CacheStats snapshot() {
              return EMPTY_STATS;
            }
          });
  static final CacheStats EMPTY_STATS = new CacheStats(0, 0, 0, 0, 0, 0);

  /*
   * We avoid using a method reference or lambda here for now:
   *
   * - method reference: Inside Google, CacheBuilder is used from the implementation of a custom

 *   <dt>An IPv6 "IPv4 compatible" (or "compat") address, {@code "::192.168.0.1"}.
 *   <dd>{@code 00 00 00 00 00 00 00 00 00 00 00 00 c0 a8 00 01}
 *   <dt>An IPv6 "IPv4 mapped" address, {@code "::ffff:192.168.0.1"}.
 *   <dd>{@code 00 00 00 00 00 00 00 00 00 00 ff ff c0 a8 00 01}
 * </dl>
 *
 * <p>A few notes about IPv6 "IPv4 mapped" addresses and their observed use in Java.
 *

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$0x00, DI MOVQ SI, X3 PINSRQ $0x01, DI, X3 ADDQ $0x01, SI ADCQ $0x00, DI MOVQ SI, X4 PINSRQ $0x01, DI, X4 ADDQ $0x01, SI ADCQ $0x00, DI MOVQ SI, X5 PINSRQ $0x01, DI, X5 ADDQ $0x01, SI ADCQ $0x00, DI MOVQ SI, X6 PINSRQ $0x01, DI, X6 ADDQ $0x01, SI ADCQ $0x00, DI MOVQ SI, X7 PINSRQ $0x01, DI, X7 ADDQ $0x01, SI ADCQ $0x00, DI MOVQ SI, X8 PINSRQ $0x01, DI, X8 ctr8_done: PSHUFB X0, X2 PSHUFB X0, X3 PSHUFB X0, X4 PSHUFB X0, X5 PSHUFB X0, X6 PSHUFB X0, X7 PSHUFB X0, X8 MOVUPS (CX), X0 PXOR X0, X1 PXOR X0, X2...

ivhi+40(FP), DI MOVOU bswapMask<>+0(SB), X0 MOVQ SI, X1 PINSRQ $0x01, DI, X1 PSHUFB X0, X1 ADDQ $0x01, SI ADCQ $0x00, DI MOVQ SI, X2 PINSRQ $0x01, DI, X2 PSHUFB X0, X2 ADDQ $0x01, SI ADCQ $0x00, DI MOVQ SI, X3 PINSRQ $0x01, DI, X3 PSHUFB X0, X3 ADDQ $0x01, SI ADCQ $0x00, DI MOVQ SI, X4 PINSRQ $0x01, DI, X4 PSHUFB X0, X4 ADDQ $0x01, SI ADCQ $0x00, DI MOVQ SI, X5 PINSRQ $0x01, DI, X5 PSHUFB X0, X5 ADDQ $0x01, SI ADCQ $0x00, DI MOVQ SI, X6 PINSRQ $0x01, DI, X6 PSHUFB X0, X6 ADDQ $0x01, SI ADCQ $0x00, DI MOVQ...