// count == 0
    segment.setTableEntryForTesting(index, entry);
    assertNull(segment.get(key, hash));
    assertFalse(segment.containsKey(key, hash));
    assertFalse(segment.containsValue(value));

    // count == 1
    segment.count++;
    assertSame(value, segment.get(key, hash));
    assertTrue(segment.containsKey(key, hash));
    assertTrue(segment.containsValue(value));

    return (bits + 31) & ~31;
  }

  /**
   * Returns a hash function which computes its hash code by concatenating the hash codes of the
   * underlying hash functions together. This can be useful if you need to generate hash codes of a
   * specific length.
   *
   * <p>For example, if you need 1024-bit hash codes, you could join two {@link Hashing#sha512} hash

            int hash = 17;
            hash = hash * 31 + Objects.hashCode(groupId);
            hash = hash * 31 + Objects.hashCode(artifactId);
            hash = hash * 31 + Objects.hashCode(version);
            hash = hash * 31 + Objects.hashCode(dependencyArtifacts);
            hash = hash * 31 + Objects.hashCode(workspace);
            hash = hash * 31 + Objects.hashCode(localRepo);

            }
            this.filter = extensionFilter;

            int hash = 17;
            hash = hash * 31 + CacheUtils.pluginHashCode(plugin);
            hash = hash * 31 + Objects.hashCode(workspace);
            hash = hash * 31 + Objects.hashCode(localRepo);
            hash = hash * 31 + RepositoryUtils.repositoriesHashCode(repositories);
            hash = hash * 31 + Objects.hashCode(extensionFilter);
            this.hashCode = hash;

        }
    }

    public String decodeSimilarDocHash(final String hash) {
        if (hash != null && hash.startsWith(SIMILAR_DOC_HASH_PREFIX) && hash.length() > SIMILAR_DOC_HASH_PREFIX.length()) {
            final byte[] decode = Base64.getUrlDecoder().decode(hash.substring(SIMILAR_DOC_HASH_PREFIX.length()));
            try (BufferedReader reader =

 * following three expressions all generate colliding hash codes:
 *
 * <pre>{@code
 * newHasher().putByte(b1).putByte(b2).putByte(b3).hash()
 * newHasher().putByte(b1).putBytes(new byte[] { b2, b3 }).hash()
 * newHasher().putBytes(new byte[] { b1, b2, b3 }).hash()
 * }</pre>
 *
 * <p>If you wish to avoid this, you should either prepend or append the size of each chunk. Keep in

    }

    public void add(ArtifactFilter artifactFilter) {
        filters.add(artifactFilter);
    }

    @Override
    public int hashCode() {
        int hash = 17;
        hash = hash * 31 + filters.hashCode();
        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }

    assertThrows(IllegalStateException.class, () -> hasher.putInt(42));
  }

  public void testHashTwice() {
    Hasher hasher = Hashing.hmacMd5(MD5_KEY).newHasher();

    assertEquals(
        "9753980fe94daa8ecaa82216519393a9",
        hasher.putString("The quick brown fox jumps over the lazy dog", UTF_8).hash().toString());

        itemInfo,
        relatedInfo,
        equivalence.equivalent(item, related));

    int itemHash = equivalence.hash(item);
    int relatedHash = equivalence.hash(related);
    assertWithTemplate(
        "the $HASH ("
            + itemHash
            + ") of $ITEM must be equal to the $HASH ("
            + relatedHash
            + ") of $OTHER",
        itemInfo,
        relatedInfo,

import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.CharMatcher.NamedFastMatcher;
import java.util.BitSet;

/**
 * An immutable version of CharMatcher for smallish sets of characters that uses a hash table with
 * linear probing to check for matches.
 *
 * @author Christopher Swenson
 */
@GwtIncompatible // no precomputation is done in GWT
@ElementTypesAreNonnullByDefault