new Equivalence<Object>() {
          @Override
          protected boolean doEquivalent(Object a, Object b) {
            return false;
          }

          @Override
          protected int doHash(Object t) {
            return 0;
          }
        };

    LocalCache<Object, Object> map =
        makeLocalCache(createCacheBuilder().keyEquivalence(testEquivalence));

      return HashBiMap.this.containsKey(o);
    }

    @Override
    public boolean remove(@Nullable Object o) {
      int oHash = Hashing.smearedHash(o);
      int entry = findEntryByKey(o, oHash);
      if (entry != ABSENT) {
        removeEntryKeyHashKnown(entry, oHash);
        return true;
      } else {
        return false;
      }
    }
  }

  @LazyInit private transient Set<V> valueSet;

- Graduated relaxed DNS search string validation to GA. For the Pod API, `.spec.dnsConfig.searches`
  now allows an underscore (`_`) where a dash (`-`) would be allowed, and it allows search strings be a single dot `.`. ([#132036](https://github.com/kubernetes/kubernetes/pull/132036), [@adrianmoisey](https://github.com/adrianmoisey)) [SIG Network and Testing]