Iterator<String> nonpeek = Lists.newArrayList("a", "b", "c").iterator();
    PeekingIterator<String> peek = Iterators.peekingIterator(nonpeek);
    assertNotSame(peek, nonpeek);
    assertSame(peek, Iterators.peekingIterator(peek));
    assertSame(peek, Iterators.peekingIterator((Iterator<String>) peek));
  }

      ReferenceEntry<?, ?> originalHead = segment.accessQueue.peek();
      @SuppressWarnings("unchecked")
      ReferenceEntry<Integer, Integer> entry = (ReferenceEntry<Integer, Integer>) originalHead;
      operation.accept(entry);
      drainRecencyQueue(segment);

      assertNotSame(originalHead, segment.accessQueue.peek());
      assertEquals(cache.size(), accessQueueSize(cache));
    }
  }

    Iterator<String> nonpeek = Lists.newArrayList("a", "b", "c").iterator();
    PeekingIterator<String> peek = Iterators.peekingIterator(nonpeek);
    assertNotSame(peek, nonpeek);
    assertSame(peek, Iterators.peekingIterator(peek));
    assertSame(peek, Iterators.peekingIterator((Iterator<String>) peek));
  }

public abstract class okhttp3/mockwebserver/Dispatcher {
	public fun <init> ()V
	public abstract fun dispatch (Lokhttp3/mockwebserver/RecordedRequest;)Lokhttp3/mockwebserver/MockResponse;
	public fun peek ()Lokhttp3/mockwebserver/MockResponse;
	public fun shutdown ()V
}

public final class okhttp3/mockwebserver/MockResponse : java/lang/Cloneable {
	public static final field Companion Lokhttp3/mockwebserver/MockResponse$Companion;

    checkNotNull(valuesFunction);
    return collectingAndThen(
        flatteningToMultimap(
            input -> checkNotNull(keyFunction.apply(input)),
            input -> valuesFunction.apply(input).peek(Preconditions::checkNotNull),
            MultimapBuilder.linkedHashKeys().arrayListValues()::<K, V>build),
        ImmutableListMultimap::copyOf);
  }

  static <T extends @Nullable Object, K, V>

public abstract class mockwebserver3/Dispatcher {
	public fun <init> ()V
	public abstract fun dispatch (Lmockwebserver3/RecordedRequest;)Lmockwebserver3/MockResponse;
	public fun peek ()Lmockwebserver3/MockResponse;
	public fun shutdown ()V
}

public final class mockwebserver3/MockResponse {
	public static final field Companion Lmockwebserver3/MockResponse$Companion;
	public fun <init> ()V
	public fun <init> (I)V
	public fun <init> (ILokhttp3/Headers;)V

   *     Iterators.peekingIterator(Iterators.forArray("a", "b"));
   * String a1 = peekingIterator.peek(); // returns "a"
   * String a2 = peekingIterator.peek(); // also returns "a"
   * String a3 = peekingIterator.next(); // also returns "a"
   * }</pre>
   *
   * <p>Any structural changes to the underlying iteration (aside from those performed by the

  name: String,
  defaultValue: String?,
): String? = headers[name] ?: defaultValue

@Throws(IOException::class)
fun Response.commonPeekBody(byteCount: Long): ResponseBody {
  val peeked = body.source().peek()
  val buffer = Buffer()
  peeked.request(byteCount)
  buffer.write(peeked, minOf(byteCount, peeked.buffer.size))
  return buffer.asResponseBody(body.contentType(), buffer.size)
}

    } finally {
      monitor.leave();
    }
  }

  @CanIgnoreReturnValue // pushed down from class to method
  @Override
  public @Nullable E peek() {
    final Monitor monitor = this.monitor;
    monitor.enter();
    try {
      return q.peek();
    } finally {
      monitor.leave();
    }
  }

  /**

        classStack.push(currentClass);
        action.run();
        classStack.pop();
    }

    private ClassMetaData getCurrentClass() {
        return classStack.peek();
    }

    private void visitExtendedTypes(NodeWithExtends<?> node) {
        ClassMetaData currentClass = getCurrentClass();
        for (ClassOrInterfaceType extendedType : node.getExtendedTypes()) {