VPDPWSSDS Y31, Y1, K1, Y9                          // 6212752953cf
	VPDPWSSDS (R8), Y1, K1, Y9                         // 625275295308
	VPDPWSSDS 15(DX)(BX*2), Y1, K1, Y9                 // 62727529538c5a0f000000
	VPDPWSSDS Y0, Y9, K1, Y9                           // 6272352953c8
	VPDPWSSDS Y19, Y9, K1, Y9                          // 6232352953cb

  @CollectionSize.Require(SEVERAL)
  public void testEquals() {
    resetContainer(
        Helpers.mapEntry(k0(), v0()), Helpers.mapEntry(k1(), v0()), Helpers.mapEntry(k0(), v3()));
    Map<K, Collection<V>> expected = Maps.newHashMap();
    expected.put(k0(), Lists.newArrayList(v0(), v3()));
    expected.put(k1(), Lists.newArrayList(v0()));
    new EqualsTester().addEqualityGroup(expected, multimap().asMap()).testEquals();
  }

  // From https://131002.net/siphash/siphash24.c
  // k = 00 01 02 ...
  private static final long K0 = 0x0706050403020100L;
  private static final long K1 = 0x0f0e0d0c0b0a0908L;
  private static final HashFunction SIP_WITH_KEY = Hashing.sipHash24(K0, K1);
  private static final HashFunction SIP_WITHOUT_KEY = Hashing.sipHash24();

  // These constants were originally ported from https://www.131002.net/siphash/siphash24.c. See:

TEXT asmtest_avx512dq(SB), NOSPLIT, $0
	KADDB K3, K1, K6                                   // c5f54af3
	KADDB K1, K1, K6                                   // c5f54af1
	KADDB K3, K5, K6                                   // c5d54af3
	KADDB K1, K5, K6                                   // c5d54af1
	KADDB K3, K1, K5                                   // c5f54aeb
	KADDB K1, K1, K5                                   // c5f54ae9

	VPCMPEQW 15(R8)(R14*4), Z5, K1, K6                 // 6291554975b4b00f000000 or 6291d54975b4b00f000000
	VPCMPEQW -7(CX)(DX*4), Z5, K1, K6                  // 62f1554975b491f9ffffff or 62f1d54975b491f9ffffff
	VPCMPGTB X26, X8, K1, K1                           // 62913d0964ca or 6291bd0964ca
	VPCMPGTB (BX), X8, K1, K1                          // 62f13d09640b or 62f1bd09640b

	VPMADD52HUQ -7(DI)(R8*4), X31, K1, X18             // 62a28501b59487f9ffffff
	VPMADD52HUQ X7, X3, K1, X18                        // 62e2e509b5d7
	VPMADD52HUQ X0, X3, K1, X18                        // 62e2e509b5d0
	VPMADD52HUQ 17(SP)(BP*2), X3, K1, X18              // 62e2e509b5946c11000000
	VPMADD52HUQ -7(DI)(R8*4), X3, K1, X18              // 62a2e509b59487f9ffffff

    initMapWithNullValue();

    getMap().forcePut(k1(), null);

    expectContents(Helpers.mapEntry(k1(), (V) null));

    assertFalse(getMap().containsKey(k0()));

    assertTrue(getMap().containsKey(k1()));
    assertTrue(getMap().inverse().containsKey(null));
    assertNull(getMap().get(k1()));
    assertEquals(k1(), getMap().inverse().get(null));
    assertEquals(1, getMap().size());
  }

    Multiset<K> keys = multimap().keys();
    assertEquals(2, keys.count(k0()));
    assertEquals(1, keys.count(k1()));
    assertEquals(3, keys.size());
    assertContainsAllOf(keys, k0(), k1());
    assertContainsAllOf(
        keys.entrySet(), Multisets.immutableEntry(k0(), 2), Multisets.immutableEntry(k1(), 1));
  }

  @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES)

    Multiset<K> keys = multimap().keys();
    assertEquals(2, keys.count(k0()));
    assertEquals(1, keys.count(k1()));
    assertEquals(3, keys.size());
    assertContainsAllOf(keys, k0(), k1());
    assertContainsAllOf(
        keys.entrySet(), Multisets.immutableEntry(k0(), 2), Multisets.immutableEntry(k1(), 1));
  }

  @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES)

	VCVTPH2PS 17(SP)(BP*4), K1, Z1                     // 62f27d49138cac11000000
	VCVTPH2PS Y14, K1, Z16                             // 62c27d4913c6
	VCVTPH2PS 17(SP)(BP*8), K1, Z16                    // 62e27d491384ec11000000
	VCVTPH2PS 17(SP)(BP*4), K1, Z16                    // 62e27d491384ac11000000
	VCVTPS2DQ X22, K1, X11                             // 62317d095bde