/**
   * <a
   * href="https://developer.apple.com/library/archive/documentation/UserExperience/Conceptual/PassKit_PG/DistributingPasses.html">Apple
   * Passbook</a>.
   *
   * @since 19.0
   */
  public static final MediaType APPLE_PASSBOOK =
      createConstant(APPLICATION_TYPE, "vnd.apple.pkpass");

  /**

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.sample;

import com.squareup.moshi.JsonAdapter;
import com.squareup.moshi.Moshi;
import com.squareup.moshi.Types;
import java.util.Collections;
import java.util.List;
import okhttp3.OkHttpClient;
import okhttp3.Request;

![Events Diagram](../assets/images/******@****.***)

Here’s a [sample event listener](https://github.com/square/okhttp/blob/master/samples/guide/src/main/java/okhttp3/recipes/PrintEventsNonConcurrent.java) that prints each event with a timestamp.

```java

  /**
   * <a
   * href="https://developer.apple.com/library/archive/documentation/UserExperience/Conceptual/PassKit_PG/DistributingPasses.html">Apple
   * Passbook</a>.
   *
   * @since 19.0
   */
  public static final MediaType APPLE_PASSBOOK =
      createConstant(APPLICATION_TYPE, "vnd.apple.pkpass");

  /**

    for (char base : zeros.toCharArray()) {
      for (int offset = 0; offset < 10; offset++) {
        sb.append((char) (base + offset));
      }
    }
    ALL_DIGITS = sb.toString();
  }

  /** Sample CharMatcher instances for benchmarking. */
  public enum SampleMatcherConfig {
    WHITESPACE(CharMatcher.whitespace(), WHITESPACE_CHARACTERS),
    HASH(CharMatcher.is('#'), "#"),
    ASCII(CharMatcher.ascii(), ASCII_CHARACTERS),

        /** Internet Explorer and Trident-based browsers */
        IE,
        /** Mozilla Firefox browser */
        FIREFOX,
        /** Google Chrome browser */
        CHROME,
        /** Apple Safari browser */
        SAFARI,
        /** Opera browser */
        OPERA,
        /** Other or unrecognized browser types */
        OTHER;
    }

package okhttp3.sample;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.security.GeneralSecurityException;
import java.security.KeyStore;
import java.security.SecureRandom;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManagerFactory;
import okhttp3.mockwebserver.Dispatcher;

 * encompasses both of these, 'container' is used.
 *
 * @author George van den Driessche
 */
@GwtCompatible
@NullMarked
public interface TestContainerGenerator<T, E extends @Nullable Object> {
  /** Returns the sample elements that this generate populates its container with. */
  SampleElements<E> samples();

  /**
   * Creates a new container containing the given elements. TODO: would be nice to figure out how to

    public void test_entrySet_with_lang_key() {
        Map<String, Object> parentMap = new LinkedHashMap<>();
        DocMap docMap = new DocMap(parentMap);

        docMap.put("zebra", "value1");
        docMap.put("apple", "value2");
        docMap.put("lang", "ja");
        docMap.put("banana", "value3");

        Set<Map.Entry<String, Object>> entrySet = docMap.entrySet();
        assertEquals(4, entrySet.size());

import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;

/**
 * File name filter that only accepts files matching a regular expression. This class is thread-safe
 * and immutable.
 *
 * @author Apple Chow
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
public final class PatternFilenameFilter implements FilenameFilter {

  private final Pattern pattern;

  /**