nullableValueEntry.setValue(null);
      fail("setValue on unmodifiable Map.Entry succeeded");
    } catch (UnsupportedOperationException expected) {
    }
  }

  /**
   * Verifies that an Iterator is unmodifiable.
   *
   * <p>This test only works with iterators that iterate over a finite set.
   */

@Suppress("NOTHING_TO_INLINE")
internal inline fun <T> List<T>.unmodifiable(): List<T> = Collections.unmodifiableList(this)

/** Returns an immutable wrap of this. */
@Suppress("NOTHING_TO_INLINE")
internal inline fun <T> Set<T>.unmodifiable(): Set<T> = Collections.unmodifiableSet(this)

/** Returns an immutable wrap of this. */
@Suppress("NOTHING_TO_INLINE")
internal inline fun <K, V> Map<K, V>.unmodifiable(): Map<K, V> = Collections.unmodifiableMap(this)

                                                        + cls.getName()
                                                        + "; it is an unmodifiable collection.");
                                            }
                                            continue;
                                        }

import static com.google.common.collect.Lists.transform;
import static com.google.common.collect.ReflectionFreeAssertThrows.assertThrows;
import static com.google.common.collect.testing.IteratorFeature.UNMODIFIABLE;
import static com.google.common.truth.Truth.assertThat;
import static java.lang.System.arraycopy;
import static java.util.Arrays.asList;
import static java.util.Collections.emptyList;

   *
   * <p>The returned table will be serializable if the specified table is serializable.
   *
   * @param table the row-sorted table for which an unmodifiable view is to be returned
   * @return an unmodifiable view of the specified table
   * @since 11.0
   */
  public static <R extends @Nullable Object, C extends @Nullable Object, V extends @Nullable Object>

    new IteratorTester<String>(
        5, UNMODIFIABLE, singleton("a"), IteratorTester.KnownOrder.KNOWN_ORDER) {
      @Override
      protected Iterator<String> newTargetIterator() {
        return of("a").iterator();
      }
    }.test();
  }

  @GwtIncompatible // slow (~30s)
  public void testIterator_general() {
    new IteratorTester<String>(

    return new CopyOnWriteArrayList<>(elementsCollection);
  }

  /**
   * Returns an unmodifiable list containing the specified first element and backed by the specified
   * array of additional elements. Changes to the {@code rest} array will be reflected in the
   * returned list. Unlike {@link Arrays#asList}, the returned list is unmodifiable.
   *

  private Iterables() {}

  /** Returns an unmodifiable view of {@code iterable}. */
  public static <T extends @Nullable Object> Iterable<T> unmodifiableIterable(
      Iterable<? extends T> iterable) {
    checkNotNull(iterable);
    if (iterable instanceof UnmodifiableIterable || iterable instanceof ImmutableCollection) {
      @SuppressWarnings("unchecked") // Since it's unmodifiable, the covariant cast is safe

import okhttp3.internal.commonValue
import okhttp3.internal.commonValues
import okhttp3.internal.headersCheckName
import okhttp3.internal.http.toHttpDateOrNull
import okhttp3.internal.http.toHttpDateString
import okhttp3.internal.unmodifiable
import org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement

/**
 * The header fields of a single HTTP message. Values are uninterpreted strings; use `Request` and

      }
    }
    return true;
  }

  /**
   * Returns a {@code Collector} that returns the {@code k} smallest (relative to the specified
   * {@code Comparator}) input elements, in ascending order, as an unmodifiable {@code List}. Ties
   * are broken arbitrarily.
   *
   * <p>For example:
   *
   * {@snippet :
   * Stream.of("foo", "quux", "banana", "elephant")
   *     .collect(least(2, comparingInt(String::length)))