}
	_ = x[9999] // ERROR "generated nil check"

	fx10k()
	// This one is a bit redundant, if we figured out that
	// x wasn't going to change across the function call.
	// But it's a little complex to do and in practice doesn't
	// matter enough.
	_ = x[9999] // ERROR "removed nil check"
}

func f3a() {
	x := fx10k()
	y := fx10k()
	z := fx10k()
	_ = &x[9] // ERROR "generated nil check"
	y = z

    // in the opposite order from how they were added so we need to reverse the list to fulfill our
    // contract.
    // This is somewhat annoying, but turns out to be very fast in practice. Alternatively, we could
    // drop the contract on the method that enforces this queue like behavior since depending on it
    // is likely to be a bug anyway.

// handful of unique region types.
func WithRegion(ctx context.Context, regionType string, fn func()) {
	// NOTE:
	// WithRegion helps avoiding misuse of the API but in practice,
	// this is very restrictive:
	// - Use of WithRegion makes the stack traces captured from
	//   region start and end are identical.
	// - Refactoring the existing code to use WithRegion is sometimes

// A Version is a parsed Go version: major[.Minor[.Patch]][kind[pre]]
// The numbers are the original decimal strings to avoid integer overflows
// and since there is very little actual math. (Probably overflow doesn't matter in practice,
// but at the time this code was written, there was an existing test that used
// go1.99999999999, which does not fit in an int on 32-bit platforms.
// The "big decimal" representation avoids the problem entirely.)

				return fmt.Errorf("failed to start discovery service: %v", err)
			}

			cmd.WaitSignal(stop)
			// Wait until we shut down. In theory this could block forever; in practice we will get
			// forcibly shut down after 30s in Kubernetes.
			discoveryServer.WaitUntilCompletion()
			return nil
		},
	}
}

func addFlags(c *cobra.Command) {

	// are 1-based. The unique id for ents[k] is k + evictCount + 1.
	//
	// Zero is not a valid unique id.
	//
	// evictCount should not overflow in any remotely practical situation. In
	// practice, we will have one dynamic table per HTTP/2 connection. If we
	// assume a very powerful server that handles 1M QPS per connection and each
	// request adds (then evicts) 100 entries from the table, it would still take

func (c *nodeResourcesController) run(ctx context.Context) {
	logger := klog.FromContext(ctx)

	// When kubelet starts, we have two choices:
	// - Sync immediately, which in practice will delete all ResourceSlices
	//   because no plugin has registered yet. We could do a DeleteCollection
	//   to speed this up.
	// - Wait a bit, then sync. If all plugins have re-registered in the meantime,

func ExampleWithDeadline() {
	d := time.Now().Add(shortDuration)
	ctx, cancel := context.WithDeadline(context.Background(), d)

	// Even though ctx will be expired, it is good practice to call its
	// cancellation function in any case. Failure to do so may keep the
	// context and its parent alive longer than necessary.
	defer cancel()

	select {
	case <-neverReady:
		fmt.Println("ready")

    // in the opposite order from how they were added so we need to reverse the list to fulfill our
    // contract.
    // This is somewhat annoying, but turns out to be very fast in practice. Alternatively, we could
    // drop the contract on the method that enforces this queue like behavior since depending on it
    // is likely to be a bug anyway.

import okhttp3.internal.okHttpName

/**
 * A set of tasks that are executed in sequential order.
 *
 * Work within queues is not concurrent. This is equivalent to each queue having a dedicated thread
 * for its work; in practice a set of queues may share a set of threads to save resources.
 */
class TaskQueue internal constructor(
  internal val taskRunner: TaskRunner,
  internal val name: String,
) {
  val lock: ReentrantLock = ReentrantLock()