package sync

import (
	"internal/race"
	"sync/atomic"
	"unsafe"
)

// A WaitGroup waits for a collection of goroutines to finish.
// The main goroutine calls [WaitGroup.Add] to set the number of
// goroutines to wait for. Then each of the goroutines
// runs and calls [WaitGroup.Done] when finished. At the same time,
// [WaitGroup.Wait] can be used to block until all goroutines have finished.
//

	}
	return complex(math.Sinh(2*real(x))/d, math.Sin(2*imag(x))/d)
}

// reducePi reduces the input argument x to the range (-Pi/2, Pi/2].
// x must be greater than or equal to 0. For small arguments it
// uses Cody-Waite reduction in 3 float64 parts based on:
// "Elementary Function Evaluation:  Algorithms and Implementation"
// Jean-Michel Muller, 1997.
// For very large arguments it uses Payne-Hanek range reduction based on:

    /**
     * Expand the execution queue worker pool.  This should be called before an execution in the queue is blocked waiting
     * on another execution (e.g. work that submits and waits on other work).
     */
    void expand();

limitations under the License.
*/

package async

import (
	"sync"
)

// Runner is an abstraction to make it easy to start and stop groups of things that can be
// described by a single function which waits on a channel close to exit.
type Runner struct {
	lock      sync.Mutex
	loopFuncs []func(stop chan struct{})
	stop      *chan struct{}
}

	gracePeriod := int64(0)
	return metav1.DeleteOptions{
		PropagationPolicy:  &propagationPolicy,
		GracePeriodSeconds: &gracePeriod,
	}
}

// WaitUntilPodsAreReady waits until the pod with the name/namespace is in ready state.
func WaitUntilPodsAreReady(fetchFunc PodFetchFunc, opts ...retry.Option) ([]corev1.Pod, error) {
	var pods []corev1.Pod
	err := retry.UntilSuccess(func() error {

	<-rt.done

	if rt.err != nil {
		return
	}
	rt.reqBody.Close()
	io.ReadAll(rt.res.Body)
	rt.res.Body.Close()
	rt.t.Logf("RoundTrip %v: closed request body", rt.roundTripID)
}

// wantDial waits for the Transport to start a Dial.
func (dt *transportDialTester) wantDial() *transportDialTesterConn {
	c := <-dt.dials
	c.connID = dt.dialCount
	dt.dialCount++
	dt.t.Logf("Dial %v: started", c.connID)
	return c

func NewEtcdMigrateServer(cfg *EtcdMigrateCfg, client EtcdMigrateClient) *EtcdMigrateServer {
	return &EtcdMigrateServer{cfg: cfg, client: client}
}

// Start starts an etcd server as a separate process, waits until it has started, and returns a exec.Cmd.
// TODO: Add support for listening to client via TLS.
func (r *EtcdMigrateServer) Start(version *EtcdVersion) error {
	etcdCmd := exec.Command(

     */
    void add(T operation);

    /**
     * Cancels all queued operations in this queue.  Any operations that have started will be allowed to complete.
     */
    void cancel();

    /**
     * Waits for all previously added operations to complete.
     * <p>
     * On failure, some effort is made to cancel any operations that have not started.
     *

	}

	installLog.Infof("Created CNI config %s", cniConfigFilepath)
	installLog.Debugf("CNI config: %s", pluginConfig)
	return cniConfigFilepath, nil
}

// If configured as chained CNI plugin, waits indefinitely for a main CNI config file to exist before returning
// Or until cancelled by parent context
func getCNIConfigFilepath(ctx context.Context, cniConfName, mountedCNINetDir string, chained bool) (string, error) {

	return fake.NewSimpleClientset(
		NewRuntimeClass(EmptyRuntimeClass, ""),
		NewRuntimeClass(SandboxRuntimeClass, SandboxRuntimeHandler),
	)
}

// StartManagerSync starts the manager, and waits for the informer cache to sync.
// Returns a function to stop the manager, which should be called with a defer:
//
//	defer StartManagerSync(t, m)()
func StartManagerSync(m *runtimeclass.Manager) func() {