// events to run at that or an earlier time.
			// Events should not advance the clock.  But just in case they do...
			now := fec.Now()
			for len(fec.waiters) > 0 && !now.Before(fec.waiters[0].targetTime) {
				ew := heap.Pop(&fec.waiters).(eventWaiter)
				fec.clientWG.Add(1)
				go func(f eventclock.EventFunc, now time.Time) {
					f(now)
					fec.clientWG.Add(-1)
				}(ew.f, now)
				foundSome = true

	}
	// This goroutine has set counter to 0 when waiters > 0.
	// Now there can't be concurrent mutations of state:
	// - Adds must not happen concurrently with Wait,
	// - Wait does not increment waiters if it sees counter == 0.
	// Still do a cheap sanity check to detect WaitGroup misuse.
	if wg.state.Load() != state {
		panic("sync: WaitGroup misuse: Add called concurrently with Wait")
	}
	// Reset waiters count to 0.
	wg.state.Store(0)

	if _, exists := r.watchers[gvr]; !exists {
		r.watchers[gvr] = make(map[string][]*watch.RaceFreeFakeWatcher)
	}
	r.watchers[gvr][ns] = append(r.watchers[gvr][ns], fakewatcher)
	return fakewatcher, nil
}

func (r *VolumeReactor) getWatches(gvr schema.GroupVersionResource, ns string) []*watch.RaceFreeFakeWatcher {
	watches := []*watch.RaceFreeFakeWatcher{}
	if r.watchers[gvr] != nil {

  }
  parameters {
    string( defaultValue: 'master', description: 'Core Its branch (default master)',
            name: 'ITS_BRANCH' )
  }
  stages {
    stage("Build Maven Core") {
      steps {
        withEnv(["JAVA_HOME=${ tool "JDK 1.8 (latest)" }", "PATH+MAVEN=${tool 'Maven 3.6.3'}/bin:${env.JAVA_HOME}/bin"]) {
            sh "mvn -Drat.skip=true -T2 -B -V install -PversionlessMavenDist -Dmaven.repo.local=${env.WORKSPACE}/repo"
        }

	}
}

// TLSCiphersBackwardCompatible returns a list of supported
// TLS transport cipher suite IDs.
//
// In contrast to TLSCiphers, the list contains additional
// ciphers for backward compatibility. In particular, AES-CBC
// and non-ECDHE ciphers.
func TLSCiphersBackwardCompatible() []uint16 {
	if Enabled {
		return []uint16{
			tls.TLS_AES_128_GCM_SHA256, // TLS 1.3
			tls.TLS_AES_256_GCM_SHA384,

// Test for select: Issue 2075
// A bug in select corrupts channel queues of failed cases
// if there are multiple waiters on those channels and the
// select is the last in the queue. If further waits are made
// on the channel without draining it first then those waiters
// will never wake up. In the code below c1 is such a channel.

package main

func main() {
	c1 := make(chan bool)
	c2 := make(chan bool)

    /**
     * Returns 1 for non-hierarchical watchers, and 0 for hierarchical watchers.
     *
     * For use in interaction tests, when an interaction only happens for non-hierarchical watchers.
     * E.g.:
     * ifNonHierarchical * watcher.startWatching(_)
     */
    abstract int getIfNonHierarchical()

    /**
     * Returns 1 for hierarchical watchers, and 0 for non-hierarchical watchers.
     *

        }
        return old;
      }
    }

    /** Performs a GAS operation on the {@link #waiters} field. */
    @Override
    Waiter gasWaiters(AbstractFuture<?> future, Waiter update) {
      synchronized (future) {
        Waiter old = future.waiters;
        if (old != update) {
          future.waiters = update;
        }
        return old;
      }
    }

    @Override

	//
	// If a waiter receives ownership of the mutex and sees that either
	// (1) it is the last waiter in the queue, or (2) it waited for less than 1 ms,
	// it switches mutex back to normal operation mode.
	//
	// Normal mode has considerably better performance as a goroutine can acquire
	// a mutex several times in a row even if there are blocked waiters.
	// Starvation mode is important to prevent pathological cases of tail latency.

// 1 bit - lock for read operations.
// 1 bit - lock for write operations.
// 20 bits - total number of references (read+write+misc).
// 20 bits - number of outstanding read waiters.
// 20 bits - number of outstanding write waiters.
const (
	mutexClosed  = 1 << 0
	mutexRLock   = 1 << 1
	mutexWLock   = 1 << 2
	mutexRef     = 1 << 3
	mutexRefMask = (1<<20 - 1) << 3
	mutexRWait   = 1 << 23