- Kubelet reported a hash of the credential provider configuration via the `kubelet_credential_provider_config_info` metric. The hash was exposed in the `hash` label. ([#133016](https://github.com/kubernetes/kubernetes/pull/133016), [@aramase](https://github.com/aramase)) [SIG API Machinery and Auth]

 */
public class LruHashSet<E> extends AbstractSet<E> implements Set<E>, java.io.Serializable {
    private static final long serialVersionUID = 1L;

    /**
     * The internal LRU hash map used to store elements.
     */
    private final LruHashMap<E, Object> map;

    // Dummy value to associate with an Object in the backing Map
    private static final Object PRESENT = new Object();

    /**

   */
  @Override
  public abstract boolean equals(@Nullable Object obj);

  /**
   * The hashcode of an ordered {@link EndpointPair} is equal to {@code Objects.hash(source(),
   * target())}. The hashcode of an unordered {@link EndpointPair} is equal to {@code
   * nodeU().hashCode() + nodeV().hashCode()}.
   */
  @Override
  public abstract int hashCode();

 *
 * @since 4.0.0
 */
@Experimental
public interface ExtensibleEnum {

    /**
     * The {@code id} uniquely represents a value for this extensible enum.
     * This id should be used to compute the equality and hash code for the instance.
     *
     * @return the id
     */
    @Nonnull
    String id();

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.hash;

import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
import static java.lang.annotation.ElementType.CONSTRUCTOR;
import static java.lang.annotation.ElementType.FIELD;

import com.google.common.annotations.J2ktIncompatible;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * ImmutableSet implementation backed by a JDK HashSet, used to defend against apparent hash
 * flooding. This implementation is never used on the GWT client side.
 *
 * @author Louis Wasserman
 */
@GwtIncompatible
final class JdkBackedImmutableSet<E> extends IndexedImmutableSet<E> {

    for (int i = 0; i < length; i++) {
      Object key = new Object();
      // TODO(b/145386688): This access should be guarded by 'this.segment', which is not currently
      // held
      chain = segment.newEntry(key, cache.hash(key), chain);
      if (i == 0) {
        head = chain;
      }
    }
  }

  @SuppressWarnings("GuardedBy")
  @Benchmark
  int time(int reps) {
    int dummy = 0;
    for (int i = 0; i < reps; i++) {

      return this.function.equals(that.function) && this.ordering.equals(that.ordering);
    }
    return false;
  }

  @Override
  public int hashCode() {
    return Objects.hash(function, ordering);
  }

  @Override
  public String toString() {
    return ordering + ".onResultOf(" + function + ")";
  }

  @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

  @Override
  protected boolean doEquivalent(F a, F b) {
    return resultEquivalence.equivalent(function.apply(a), function.apply(b));
  }

  @Override
  protected int doHash(F a) {
    return resultEquivalence.hash(function.apply(a));
  }

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

		ETag:              "\"" + oi.ETag + "\"",
		ChecksumSHA1:      cs[hash.ChecksumSHA1.String()],
		ChecksumSHA256:    cs[hash.ChecksumSHA256.String()],
		ChecksumCRC32:     cs[hash.ChecksumCRC32.String()],
		ChecksumCRC32C:    cs[hash.ChecksumCRC32C.String()],
		ChecksumCRC64NVME: cs[hash.ChecksumCRC64NVME.String()],
	}
	return c
}

// generates ListPartsResponse from ListPartsInfo.