import com.google.common.base.MoreObjects;
import java.io.Serializable;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.Objects;
import org.jspecify.annotations.Nullable;

/**
 * An immutable value object capturing some basic statistics about a collection of paired double
 * values (e.g. points on a plane). Build instances with {@link PairedStatsAccumulator#snapshot}.
 *
 * @author Pete Gillin
 * @since 20.0
 */

    call its callback now gets a `RejectedExecutionException`.
 *  Fix: Don't permanently cache responses with `Cache-Control: immutable`. We misunderstood the
    original `immutable` proposal!
 *  Fix: Change `Authenticator`'s `Route` parameter to be nullable. This was marked as non-null but
    could be called with null in some cases.

  private static final Iterable<@Nullable Integer> iterableFourNulls =
      Arrays.asList((Integer) null, null, null, null);

  /*
   * Both of these fields *are* immutable/constant. They don't use the type ImmutableList because
   * they need to behave slightly differently.
   */
  @SuppressWarnings("ConstantCaseForConstants")
  private static final List<Integer> UNDERREPORTING_SIZE_LIST;

      default:
        @SuppressWarnings("unchecked")
        List<E> castedList = (List<E>) list;
        return new RegularImmutableList<E>(castedList);
    }
  }

  /**
   * Views the array as an immutable list. The array must have only {@code E} elements.
   *
   * <p>The array must be internally created.
   */
  @SuppressWarnings("unchecked") // caller is reponsible for getting this right

      ImmutableMapEntry<K, V> effectiveEntry =
          checkNoConflictInKeyBucket(key, value, keyBucketHead, throwIfDuplicateKeys);
      if (effectiveEntry == null) {
        // prepend, not append, so the entries can be immutable
        effectiveEntry =
            (keyBucketHead == null)
                ? makeImmutable(entry, key, value)
                : new NonTerminalImmutableMapEntry<K, V>(key, value, keyBucketHead);

      boolean isSubset =
          (result instanceof RegularImmutableSortedSet)
              && ((RegularImmutableSortedSet) result).isSubset;
      if (!isSubset) {
        // Only return the original copy if this immutable sorted set isn't
        // a subset of another, to avoid memory leak.
        return result;
      }
    }
    return copyOfInternal(comparator, elements.iterator());
  }

            assertTrue(notifications.isEmpty());
        } catch (UnsupportedOperationException e) {
            // If this throws, the implementation returned an immutable list
            assertEquals(2, notifications.size());
        }
    }

    @Test
    @DisplayName("Test NtTransNotifyChangeResponse concrete implementation")
    void testNtTransNotifyChangeResponse() {

import java.util.Objects;
import java.util.concurrent.Callable;
import org.jspecify.annotations.Nullable;

/**
 * Statistics about the performance of a {@link Cache}. Instances of this class are immutable.
 *
 * <p>Cache statistics are incremented according to the following rules:
 *
 * <ul>
 *   <li>When a cache lookup encounters an existing cache entry {@code hitCount} is incremented.

open class OkHttpClient internal constructor(
  builder: Builder,
) : Call.Factory,
  WebSocket.Factory {
  @get:JvmName("dispatcher")
  val dispatcher: Dispatcher = builder.dispatcher

  /**
   * Returns an immutable list of interceptors that observe the full span of each call: from before
   * the connection is established (if any) until after the response source is selected (either the
   * origin server, cache, or both).
   */

  @SuppressWarnings("unchecked")
  private RangeMap<K, V> emptySubRangeMap() {
    return (RangeMap<K, V>) (RangeMap<?, ?>) EMPTY_SUB_RANGE_MAP;
  }

  @SuppressWarnings("ConstantCaseForConstants") // This RangeMap is immutable.
  private static final RangeMap<Comparable<?>, Object> EMPTY_SUB_RANGE_MAP =
      new RangeMap<Comparable<?>, Object>() {
        @Override
        public @Nullable Object get(Comparable<?> key) {