fun connectionCount(): Int = delegate.connectionCount()

  internal val connectionListener: ConnectionListener
    get() = delegate.connectionListener

  /** Close and remove all idle connections in the pool. */
  fun evictAll() {
    delegate.evictAll()
  }

		// lk1; ref=1
		if !nsLk.lock(ctx, "volume", "path", "source", "opsID", false, time.Second) {
			t.Fatal("failed to acquire lock")
		}

		// lk2
		lk2ch := make(chan struct{})
		go func() {
			defer close(lk2ch)
			nsLk.lock(ctx, "volume", "path", "source", "opsID", false, 1*time.Millisecond)
		}()
		time.Sleep(1 * time.Millisecond) // wait for goroutine to advance; ref=2

		// Unlock the 1st lock; ref=1 after this line

    /**
     * {@return the dependency scope for the given identifier, or {@code null} if none}.
     * The identifiers are usually in lower cases with {@code '-'} instead of {@code '_'}
     * as word separator.
     *
     * @param id the identifier of the scope (case-sensitive)
     */
    public static DependencyScope forId(String id) {

                        .pluginTypes("org.codelibs.opensearch.extension.ExtensionPlugin"));
        runner.ensureYellow();
    }

    @AfterClass
    public static void afterClass() throws Exception {
        runner.close();
        runner.clean();
    }

    @Before
    public void before() throws Exception {
        try {
            runner.admin().indices().prepareDelete("_all").execute().actionGet();

		return
	}

	resp, err := target.Send(eventData)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	defer resp.Body.Close()

	if eventData.GetObjectContext.OutputRoute != resp.Header.Get(xhttp.AmzRequestRoute) {
		tokenErr := errorCodes.ToAPIErr(ErrInvalidRequest)
		tokenErr.Description = "The request route included in the request is invalid"

if err != nil {
 log.Fatalln(err)
}

object, err := os.Open("my-testfile")
if err != nil {
 log.Fatalln(err)
}
defer object.Close()
objectStat, err := object.Stat()
if err != nil {
 log.Fatalln(err)
}

                    out.println("</a>");
                }
            }
        }

        out.println("</td></tr></table>");
        out.println("</BODY></HTML>");
        out.close();
    }

    private String parseServerAndShare(final String pathInfo) {
        final char[] out = new char[256];
        char ch;
        int len, p, i;

        if (pathInfo == null) {

            this.stream = stream;
            this.collector = collector;
        }

        @Override
        public void close() throws IOException {
            this.stream.close();
            this.collector.close();
        }

        @Override
        public void flush() throws IOException {
            this.stream.flush();
            this.collector.flush();
        }

/kind flake
/kind regression
-->

#### What this PR does / why we need it:

#### Which issue(s) this PR is related to:
<!--
Please link relevant issues to help with tracking.

To automatically close the linked issue(s) when this PR is merged,
add the word "Fixes" before the issue number or link.
Do not use "Fixes" if the PR is of kind `failing-test` or `flake`.

Reference KEPs when applicable in addition to specific issues.

import java.util.Collections;
import org.jspecify.annotations.NullMarked;

/**
 * An {@link ClusterException} is a data structure that allows for some code to "throw multiple
 * exceptions", or something close to it. The prototypical code that calls for this class is
 * presented below:
 *
 * <pre>
 * void runManyThings({@literal List<ThingToRun>} thingsToRun) {
 *   for (ThingToRun thingToRun : thingsToRun) {