return &nsMutex
}

// nsLock - provides primitives for locking critical namespace regions.
type nsLock struct {
	ref int32
	*lsync.LRWMutex
}

// nsLockMap - namespace lock map, provides primitives to Lock,
// Unlock, RLock and RUnlock.
type nsLockMap struct {
	// Indicates if namespace is part of a distributed setup.
	isDistErasure bool
	lockMap       map[string]*nsLock
	lockMapMutex  sync.Mutex

// Tests getSource().
func TestGetSource(t *testing.T) {
	currentSource := func() string { return getSource(2) }
	gotSource := currentSource()
	// Hard coded line number, 34, in the "expectedSource" value
	expectedSource := "[namespace-lock_test.go:34:TestGetSource()]"
	if gotSource != expectedSource {
		t.Errorf("expected : %s, got : %s", expectedSource, gotSource)
	}
}

// Test lock race
func TestNSLockRace(t *testing.T) {

# TODO(user): Resolve cycles

NAMESPACE com.google.common.collect.testing
NAMESPACE com.google.common.collect.testing.google
NAMESPACE com.google.common.escape
NAMESPACE com.google.common.escape.testing
NAMESPACE com.google.common.io
NAMESPACE com.google.common.net
NAMESPACE com.google.common.testing

# Allow our dependencies for now.
NAMESPACE junit.framework
NAMESPACE org.junit

# ***** REAL CYCLES *****

		Namespace: namespace,
		Subsystem: replicationSubsystem,
		Name:      lastMinFailedCount,
		Help:      "Total number of objects which failed replication in the last full minute",
		Type:      gaugeMetric,
	}
}

func getRepFailedBytesLastHourMD(namespace MetricNamespace) MetricDescription {
	return MetricDescription{
		Namespace: namespace,
		Subsystem: replicationSubsystem,
		Name:      lastHourFailedBytes,

index*       (string)             Elasticsearch index to store/update events, index is auto-created
format*      (namespace*|access)  'namespace' reflects current bucket/object list and 'access' reflects a journal of object operations, defaults to 'namespace'
queue_dir    (path)               staging dir for undelivered messages e.g. '/home/events'

```
KEY:
etcd  federate multiple clusters for IAM and Bucket DNS

ARGS:
endpoints*       (csv)       comma separated list of etcd endpoints e.g. "http://localhost:2379"
path_prefix      (path)      namespace prefix to isolate tenants e.g. "customer1/"
coredns_path     (path)      shared bucket DNS records, default is "/skydns"
client_cert      (path)      client cert for mTLS authentication

        assertEquals(Constants.CRAWLING_INFO_SYSTEM_NAME, crawlJob.namespace);
        assertNull(crawlJob.webConfigIds);
        assertNull(crawlJob.fileConfigIds);
        assertNull(crawlJob.dataConfigIds);
        assertEquals(-2, crawlJob.documentExpires);
        assertEquals(-1, crawlJob.hotThreadInterval);
    }

    // Test namespace setter
    public void test_namespace() {

import org.junit.jupiter.api.extension.ExtensionContext.Namespace
import org.junit.platform.commons.support.AnnotationSupport.findAnnotatedFields

/** Implements the policy specified by [StartStop]. */
internal class StartStopExtension :
  BeforeEachCallback,
  BeforeAllCallback {
  override fun beforeAll(context: ExtensionContext) {
    val store = context.getStore(Namespace.create(StartStop::class.java))

    val staticFields =

    @Nonnull
    String name();

    /**
     * Returns the namespace URI of this XML node.
     *
     * @return the namespace URI, never {@code null} (empty string if no namespace)
     */
    @Nonnull
    String namespaceUri();

    /**
     * Returns the namespace prefix of this XML node.
     *
     * @return the namespace prefix, never {@code null} (empty string if no prefix)
     */
    @Nonnull

    }

    /**
     * Sets the namespace for the crawling session.
     * The namespace is used to organize and identify crawling activities.
     *
     * @param namespace the namespace identifier for the crawling session
     * @return this CrawlJob instance for method chaining
     */
    public CrawlJob namespace(final String namespace) {
        this.namespace = namespace;
        return this;
    }

    /**