long hash1 = lowerEight(bytes);
      long hash2 = upperEight(bytes);

      boolean bitsChanged = false;
      long combinedHash = hash1;
      for (int i = 0; i < numHashFunctions; i++) {
        // Make the combined hash positive and indexable
        bitsChanged |= bits.set((combinedHash & Long.MAX_VALUE) % bitSize);
        combinedHash += hash2;
      }
      return bitsChanged;
    }

      assertEquals(expectedHashCode.asLong.longValue(), hash.asLong());
    }
    assertThat(hash.toString()).isEqualTo(expectedHashCode.toString);
    assertSideEffectFree(hash);
    assertReadableBytes(hash);
  }

  private static void assertSideEffectFree(HashCode hash) {
    byte[] original = hash.asBytes();
    byte[] mutated = hash.asBytes();
    mutated[0]++;
    assertThat(hash.asBytes()).isEqualTo(original);
  }

      assertEquals(expectedHashCode.asLong.longValue(), hash.asLong());
    }
    assertThat(hash.toString()).isEqualTo(expectedHashCode.toString);
    assertSideEffectFree(hash);
    assertReadableBytes(hash);
  }

  private static void assertSideEffectFree(HashCode hash) {
    byte[] original = hash.asBytes();
    byte[] mutated = hash.asBytes();
    mutated[0]++;
    assertThat(hash.asBytes()).isEqualTo(original);
  }

        StopwordsItem item1 = new StopwordsItem(1, null);
        StopwordsItem item2 = new StopwordsItem(2, null);

        // Should not throw
        int hash1 = item1.hashCode();
        int hash2 = item2.hashCode();

        // Same null input should produce same hashCode
        assertEquals(hash1, hash2);

        // Consistent hashCode

        ProtwordsItem item1 = new ProtwordsItem(1, null);
        ProtwordsItem item2 = new ProtwordsItem(2, null);

        // Should not throw
        int hash1 = item1.hashCode();
        int hash2 = item2.hashCode();

        // Same null input should produce same hashCode
        assertEquals(hash1, hash2);

        // Consistent hashCode

        String[] inputs1 = { "a", "b" };
        String[] inputs2 = { "a", "b" };
        CharMappingItem item1 = new CharMappingItem(1L, inputs1, null);
        CharMappingItem item2 = new CharMappingItem(2L, inputs2, null);

        // Should not throw
        int hash1 = item1.hashCode();
        int hash2 = item2.hashCode();

        tag2.setId("test");
        tag2.setCss("highlight");

        // Equal objects must have equal hash codes
        assertEquals(tag1.hashCode(), tag2.hashCode());

        // Hash code should be consistent
        int hash1 = tag1.hashCode();
        int hash2 = tag1.hashCode();
        assertEquals(hash1, hash2);
    }

    @Test
    public void test_setters() {
        PrunedTag tag = new PrunedTag("div");

    HashCode hash31 = HashCode.fromInt(31);
    HashCode hash32 = HashCode.fromInt(32);
    assertEquals(hash32, Hashing.combineUnordered(ImmutableList.of(hash32)));
    assertEquals(HashCode.fromInt(64), Hashing.combineUnordered(ImmutableList.of(hash32, hash32)));
    assertEquals(
        HashCode.fromInt(96), Hashing.combineUnordered(ImmutableList.of(hash32, hash32, hash32)));
    assertEquals(

    --hash=sha256:0af291f4fe114be0280cdd29d533696a77b5b49cfde5467176ecab32353395c4 \
    --hash=sha256:0f55e69f030f7163dffe9fd0752b32f070566451afe180f99dbeeb81f511ad8d \
    --hash=sha256:1a2bc9f351a75ef49d664206d51f8e5ede9da246602dc2d2726837620ea034b2 \
    --hash=sha256:22e14b5d70560b8dd51ec22863f370d1e595ac3d024cb8ad7d308b4cd95f8313 \
    --hash=sha256:234ac59ea147c59ee4da87a0c0f098e9c8d169f4dc2a159ef720f1a61bbe27cd \

    --hash=sha256:0af291f4fe114be0280cdd29d533696a77b5b49cfde5467176ecab32353395c4 \
    --hash=sha256:0f55e69f030f7163dffe9fd0752b32f070566451afe180f99dbeeb81f511ad8d \
    --hash=sha256:1a2bc9f351a75ef49d664206d51f8e5ede9da246602dc2d2726837620ea034b2 \
    --hash=sha256:22e14b5d70560b8dd51ec22863f370d1e595ac3d024cb8ad7d308b4cd95f8313 \
    --hash=sha256:234ac59ea147c59ee4da87a0c0f098e9c8d169f4dc2a159ef720f1a61bbe27cd \