* operations.
 *
 * <p>Certain cache configurations will result in the accrual of periodic maintenance tasks which
 * will be performed during write operations, or during occasional read operations in the absence of
 * writes. The {@link Cache#cleanUp} method of the returned cache will also perform maintenance, but

# Pattern for environment variable keys in crawling data.
crawler.data.env.param.key.pattern=^FESS_ENV_.*
# Whether to ignore robots.txt during crawling.
crawler.ignore.robots.txt=false
# Whether to ignore robots meta tags during crawling.
crawler.ignore.robots.tags=false
# Whether to ignore content exceptions during crawling.
crawler.ignore.content.exception=true
# HTTP status codes considered as failure URLs.
crawler.failure.url.status.codes=404

   * {@code fallback}. {@link Function#apply} is not invoked until the primary input has failed, so
   * if the primary input succeeds, it is never invoked. If, during the invocation of {@code
   * fallback}, an exception is thrown, this exception is used as the result of the output {@code
   * Future}.
   *
   * <p>Usage example:
   *
   * {@snippet :

    setUp(parameters.first, parameters.second)
    set("a", "a", "a")
    set("b", "b", "b")

    // Create an entry that fails to write to the journal during commit.
    val editor = cache.edit("c")!!
    editor.setString(0, "c")
    editor.setString(1, "c")
    filesystem.setFaultyWrite(journalFile, true)
    editor.commit()

     * which are awaiting cleanup.
     */
    volatile int count;

    /**
     * Number of updates that alter the size of the table. This is used during bulk-read methods to
     * make sure they see a consistent snapshot: If modCounts change during a traversal of segments
     * computing size or checking containsValue, then we might have an inconsistent view of state so
     * (usually) must retry.
     */

* MESOS: fix race condition in contrib/mesos/pkg/queue/delay ([#24916](https://github.com/kubernetes/kubernetes/pull/24916), [@jdef](https://github.com/jdef))
* including federation binaries in the list of images we push during release ([#27396](https://github.com/kubernetes/kubernetes/pull/27396), [@nikhiljindal](https://github.com/nikhiljindal))

        .build(),
    )
    server.enqueue(
      MockResponse(body = "abc"),
    )
    // Enqueue an additional response that show if we burnt a good prior response.
    server.enqueue(
      MockResponse(body = "XXX"),
    )
    val call1 = client.newCall(Request(server.url("/")))
    val response1 = call1.execute()

   * array whose contents are initially non-null. The {@code @Nullable} annotation indicates that
   * this method will write nulls into the array during iteration.
   *
   * <p>This is mainly just to avoid the intermediate ArrayDeque in ConsumingQueueIterator.
   */
  private static <I extends Iterator<?>> Iterator<I> consumingForArray(@Nullable I... elements) {

     * the server responds with `HTTP/1.0`, that will be exposed by [Response.protocol].
     *
     * [alpn]: http://tools.ietf.org/html/draft-ietf-tls-applayerprotoneg
     * [rfc_2616]: http://www.w3.org/Protocols/rfc2616/rfc2616.html
     * [rfc_7540]: https://tools.ietf.org/html/rfc7540
     * [rfc_7540_34]: https://tools.ietf.org/html/rfc7540#section-3.4

import java.util.logging.LogRecord;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests relating to cache loading: concurrent loading, exceptions during loading, etc.
 *
 * @author mike nonemacher
 */
@NullUnmarked
public class CacheLoadingTest extends TestCase {
  TestLogHandler logHandler;

  @Override
  public void setUp() throws Exception {