func (b *Buffer) String() string {
	if b == nil {
		// Special case, useful in debugging.
		return "<nil>"
	}
	return string(b.buf[b.off:])
}

// Peek returns the next n bytes without advancing the buffer.
// If Peek returns fewer than n bytes, it also returns [io.EOF].
// The slice is only valid until the next call to a read or write method.

    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>

    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>

        if (method.changeStatus == JApiChangeStatus.REMOVED) {
            return false
        }
        // @Override has source retention - so we need to peek into the sources
        return repository.isOverride(method)
    }

    Violation acceptOrReject(JApiCompatibility member, Violation rejection) {

        // Find all elements with combine.children="override" and change to "merge"
        long fixedCombineChildrenCount = findElementsWithAttribute(root, COMBINE_CHILDREN, COMBINE_OVERRIDE)
                .peek(element -> {
                    element.attributeObject(COMBINE_CHILDREN).value(COMBINE_MERGE);
                    context.detail("Fixed: " + COMBINE_CHILDREN + "='" + COMBINE_OVERRIDE + "' → '" + COMBINE_MERGE

 *     .maximumSize(1000)
 *     .create();
 * }
 *
 * <p>As a {@link Queue} it functions exactly as a {@link PriorityQueue}: its head element -- the
 * implicit target of the methods {@link #peek()}, {@link #poll()} and {@link #remove()} -- is
 * defined as the <i>least</i> element in the queue according to the queue's comparator. But unlike
 * a regular priority queue, the methods {@link #peekLast}, {@link #pollLast} and {@link

        };

        Map<String, Lifecycle> lifecyclesMap = lookupLifecycles();

        // ensure canonical order of standard lifecycles
        return lifecyclesMap.values().stream()
                .peek(l -> Objects.requireNonNull(l.getId(), "A lifecycle must have an id."))
                .sorted(Comparator.comparing(Lifecycle::getId, comparator))
                .collect(Collectors.toList());
    }

    trailersWithServerTruncatedResponse(Protocol.HTTP_2)
  }

  /**
   * If the server closes the connection while the client is consuming the response body, attempts
   * to peek or read the trailers should throw.
   */
  private fun trailersWithServerTruncatedResponse(protocol: Protocol) {
    val responseBody = "a".repeat(OKHTTP_CLIENT_WINDOW_SIZE)
    enableProtocol(protocol)

public abstract class mockwebserver3/Dispatcher : java/io/Closeable {
	public fun <init> ()V
	public fun close ()V
	public abstract fun dispatch (Lmockwebserver3/RecordedRequest;)Lmockwebserver3/MockResponse;
	public fun peek ()Lmockwebserver3/MockResponse;
}

public final class mockwebserver3/MockResponse {
	public fun <init> (ILokhttp3/Headers;Ljava/lang/String;)V

    Iterator<String> nonpeek = Lists.newArrayList("a", "b", "c").iterator();
    PeekingIterator<String> peek = peekingIterator(nonpeek);
    assertThat(nonpeek).isNotSameInstanceAs(peek);
    assertThat(peekingIterator(peek)).isSameInstanceAs(peek);
    assertThat(peekingIterator((Iterator<String>) peek)).isSameInstanceAs(peek);
  }

  public void testMergeSorted_stable_issue5773Example() {