// HasData is true if the event has trailer consisting of a
	// varint length followed by unencoded bytes of some data.
	//
	// An event may not be both a timed event and have data.
	HasData bool

	// IsStack indicates that the event represents a complete
	// stack trace. Specifically, it means that after the arguments
	// there's a varint length, followed by 4*length varints. Each
	// group of 4 represents the PC, file ID, func ID, and line number

	// lots of varint sizes.
	//
	// Add 1 because we might also write a traceAllocFreeTypesBatch byte.
	var flushed bool
	w, flushed = w.ensure(1 + maxBytes)
	if flushed {
		// Annotate the batch as containing types.
		w.byte(byte(traceAllocFreeTypesBatch))
	}

	// Emit type.
	w.varint(uint64(node.id))
	w.varint(uint64(uintptr(unsafe.Pointer(typ))))
	w.varint(uint64(typ.Size()))

	// replicas is the number of Pods created by the StatefulSet controller.
	Replicas int32 `json:"replicas" protobuf:"varint,2,opt,name=replicas"`

	// readyReplicas is the number of pods created for this StatefulSet with a Ready Condition.
	ReadyReplicas int32 `json:"readyReplicas,omitempty" protobuf:"varint,3,opt,name=readyReplicas"`

	if flushed {
		// Annotate the batch as containing additional info.
		w.byte(byte(traceAllocFreeInfoBatch))
	}

	// Emit info.
	w.varint(uint64(trace.minPageHeapAddr))
	w.varint(uint64(pageSize))
	w.varint(uint64(minHeapAlign))
	w.varint(uint64(fixedStack))

	// Finish writing the batch.
	w.flush().end()

	// Start tracing.
	trace := traceAcquire()
	if !trace.ok() {

	// +optional
	MaxFailedIndexes *int32 `json:"maxFailedIndexes,omitempty" protobuf:"varint,13,opt,name=maxFailedIndexes"`

	// TODO enabled it when https://github.com/kubernetes/kubernetes/issues/28486 has been fixed
	// Optional number of failed pods to retain.
	// +optional
	// FailedPodsLimit *int32 `json:"failedPodsLimit,omitempty" protobuf:"varint,9,opt,name=failedPodsLimit"`

	// A label query over pods that should match the pod count.

	// lots of varint sizes.
	//
	// Add 1 because we might also write traceEvStacks.
	var flushed bool
	w, flushed = w.ensure(1 + maxBytes)
	if flushed {
		w.byte(byte(traceEvStacks))
	}

	// Emit stack event.
	w.byte(byte(traceEvStack))
	w.varint(uint64(node.id))
	w.varint(uint64(len(frames)))
	for _, frame := range frames {
		w.varint(uint64(frame.PC))
		w.varint(frame.funcID)

	DisruptionsAllowed int32 `json:"disruptionsAllowed" protobuf:"varint,3,opt,name=disruptionsAllowed"`

	// current number of healthy pods
	CurrentHealthy int32 `json:"currentHealthy" protobuf:"varint,4,opt,name=currentHealthy"`

	// minimum desired number of healthy pods
	DesiredHealthy int32 `json:"desiredHealthy" protobuf:"varint,5,opt,name=desiredHealthy"`

	// total number of pods counted by this disruption budget

	// available.
	// +optional
	MinReplicas *int32 `json:"minReplicas,omitempty" protobuf:"varint,2,opt,name=minReplicas"`

	// maxReplicas is the upper limit for the number of pods that can be set by the autoscaler; cannot be smaller than MinReplicas.
	MaxReplicas int32 `json:"maxReplicas" protobuf:"varint,3,opt,name=maxReplicas"`

	// to wait to force acquire it. This is measure against time of last
	// observed renewTime.
	// +optional
	LeaseDurationSeconds *int32 `json:"leaseDurationSeconds,omitempty" protobuf:"varint,2,opt,name=leaseDurationSeconds"`
	// acquireTime is a time when the current lease was acquired.
	// +optional
	AcquireTime *metav1.MicroTime `json:"acquireTime,omitempty" protobuf:"bytes,3,opt,name=acquireTime"`

	// +optional
	Stdin bool `json:"stdin,omitempty" protobuf:"varint,1,opt,name=stdin"`

	// Redirect the standard output stream of the pod for this call.
	// +optional
	Stdout bool `json:"stdout,omitempty" protobuf:"varint,2,opt,name=stdout"`

	// Redirect the standard error stream of the pod for this call.
	// +optional
	Stderr bool `json:"stderr,omitempty" protobuf:"varint,3,opt,name=stderr"`