* 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

type BitrotAlgorithm uint

const (
	// SHA256 represents the SHA-256 hash function
	SHA256 BitrotAlgorithm = 1 + iota
	// HighwayHash256 represents the HighwayHash-256 hash function
	HighwayHash256
	// HighwayHash256S represents the Streaming HighwayHash-256 hash function
	HighwayHash256S
	// BLAKE2b512 represents the BLAKE2b-512 hash function
	BLAKE2b512
)

      }
    }

    return !iteratorA.hasNext() && !iteratorB.hasNext();
  }

  @Override
  protected int doHash(Iterable<T> iterable) {
    int hash = 78721;
    for (T element : iterable) {
      hash = hash * 24943 + elementEquivalence.hash(element);
    }
    return hash;
  }

  @Override
  public boolean equals(@CheckForNull Object object) {
    if (object instanceof PairwiseEquivalence) {

    return a == b || (a != null && a.equals(b));
  }

  /**
   * Generates a hash code for multiple values. The hash code is generated by calling {@link
   * Arrays#hashCode(Object[])}. Note that array arguments to this method, with the exception of a
   * single Object array, do not get any special handling; their hash codes are based on identity
   * and not contents.
   *

      }
    } else {
      assertEquals(expectedHashCode.asLong.longValue(), hash.asLong());
    }
    assertEquals(expectedHashCode.toString, hash.toString());
    assertSideEffectFree(hash);
    assertReadableBytes(hash);
  }

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

//go:build fips
// +build fips

package sha256

import (
	fipssha256 "crypto/sha256"
	"hash"
)

// New returns a new hash.Hash computing the SHA256 checksum.
// The SHA256 implementation is FIPS 140-2 compliant when the
// boringcrypto branch of Go is used.
// Ref: https://github.com/golang/go/tree/dev.boringcrypto
func New() hash.Hash { return fipssha256.New() }

// Sum256 returns the SHA256 checksum of the data.

            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(parentRealm);
            hash = hash * 31 + this.foreignImports.hashCode();

    try {
      tester.addEquivalenceGroup(group1Item1, group1Item2).test();
    } catch (AssertionFailedError expected) {
      String expectedMessage =
          "the hash (1) of TestObject{group=1, item=1} [group 1, item 1] must be "
              + "equal to the hash (2) of TestObject{group=1, item=2} [group 1, item 2]";
      if (!expected.getMessage().contains(expectedMessage)) {

    try {
      tester.addEquivalenceGroup(group1Item1, group1Item2).test();
    } catch (AssertionFailedError expected) {
      String expectedMessage =
          "the hash (1) of TestObject{group=1, item=1} [group 1, item 1] must be "
              + "equal to the hash (2) of TestObject{group=1, item=2} [group 1, item 2]";
      if (!expected.getMessage().contains(expectedMessage)) {

    if (key == null) {
      return null;
    }
    int hash = hash(key);
    return segmentFor(hash).get(key, hash);
  }

  @CanIgnoreReturnValue // TODO(b/27479612): consider removing this
  V get(K key, CacheLoader<? super K, V> loader) throws ExecutionException {
    int hash = hash(checkNotNull(key));
    return segmentFor(hash).get(key, hash, loader);
  }

  @CheckForNull