}
        String prefix = (moduleName == null) ? "\"" : (moduleName + "=\"");
        StringJoiner joiner = new StringJoiner(File.pathSeparator, prefix, "\"");
        joiner.setEmptyValue("");
        for (Path p : paths) {
            joiner.add(p.toString());
        }
        String value = joiner.toString();
        if (value.isEmpty()) {
            return new String[0];
        }

the `Accept-Encoding` header is not otherwise set. Web servers must be configured to return zstd
responses.

Note that zstd is not used for sending requests.

```java
OkHttpClient client = new OkHttpClient.Builder()
  .addInterceptor(ZstdInterceptor.INSTANCE)
  .build();
```

```kotlin
implementation("com.squareup.okhttp3:okhttp-zstd:0.0.0")
```

        new Function<CacheBuilder<Object, Object>, LoadingCache<Key, String>>() {
          @Override
          public LoadingCache<Key, String> apply(CacheBuilder<Object, Object> builder) {
            return builder.build(KEY_TO_STRING_LOADER);
          }
        });
  }

  public void testContainsKeyAndValue() {
    for (LoadingCache<Key, String> cache : caches()) {

    AtomicInteger previous = hostnames.putIfAbsent(url.host(), hostnameCount);
    if (previous != null) hostnameCount = previous;
    if (hostnameCount.getAndIncrement() >= hostLimit) return;

    Request request = new Request.Builder()
        .url(url)
        .build();
    try (Response response = client.newCall(request).execute()) {
      String responseSource = response.networkResponse() != null ? ("(network: "

pkg os, var ErrNoDeadline error
pkg strings, method (*Builder) Grow(int)
pkg strings, method (*Builder) Len() int
pkg strings, method (*Builder) Reset()
pkg strings, method (*Builder) String() string
pkg strings, method (*Builder) Write([]uint8) (int, error)
pkg strings, method (*Builder) WriteByte(uint8) error
pkg strings, method (*Builder) WriteRune(int32) (int, error)
pkg strings, method (*Builder) WriteString(string) (int, error)

   * {@code joiner}.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code joiner.join(stream.iterator())}, or, if you are not
   * using any optional {@code Joiner} features, {@code
   * stream.collect(Collectors.joining(delimiter)}.
   *
   * @since 18.0
   */
  public final String join(Joiner joiner) {
    return joiner.join(this);
  }

  /**

   * {@code joiner}.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code joiner.join(stream.iterator())}, or, if you are not
   * using any optional {@code Joiner} features, {@code
   * stream.collect(Collectors.joining(delimiter)}.
   *
   * @since 18.0
   */
  public final String join(Joiner joiner) {
    return joiner.join(this);
  }

  /**

   * resulting URL is not well-formed.
   */
  fun resolve(link: String): HttpUrl? = newBuilder(link)?.build()

  /**
   * Returns a builder based on this URL.
   */
  fun newBuilder(): Builder {
    val result = Builder()
    result.scheme = scheme
    result.encodedUsername = encodedUsername
    result.encodedPassword = encodedPassword
    result.host = host

 * dates.
 *
 * This class trims whitespace from values. It never returns values with leading or trailing
 * whitespace.
 *
 * Instances of this class are immutable. Use [Builder] to create instances.
 */
@Suppress("NAME_SHADOWING")
class Headers internal constructor(
  internal val namesAndValues: Array<String>,
) : Iterable<Pair<String, String>> {

    val pool = factory.newConnectionPool()
    val poolApi = ConnectionPool(pool)
    val c1 = factory.newConnection(pool, routeA1, 50L)
    val client =
      OkHttpClient
        .Builder()
        .connectionPool(poolApi)
        .build()
    val call = client.newCall(Request(addressA.url)) as RealCall
    call.enterNetworkInterceptorExchange(call.request(), true, factory.newChain(call))