'Push Errors', queries.xdsErrors, |||
          Number of push errors. Many of these are at least potentional fatal and should be explored in-depth via Istiod logs.
          Note: metrics here do not use rate() to avoid missing transition from "No series"; series are not reported if there are no errors at all.
        |||
      ),
      panels.heatmap.base(
        'Push Time', queries.pushTime, |||

	// `transition rule`.
	//
	// By default, the `oldSelf` variable is the same type as `self`.
	// When `optionalOldSelf` is true, the `oldSelf` variable is a CEL optional
	//  variable whose value() is the same type as `self`.
	// See the documentation for the `optionalOldSelf` field for details.
	//
	// Transition rules by default are applied only on UPDATE requests and are

  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 3;

  // The reason for the condition's last transition.
  // +optional
  optional string reason = 4;

  // A human readable message indicating details about the transition.
  // +optional
  optional string message = 5;
}

// DaemonSetList is a collection of daemon sets.
message DaemonSetList {

  // +optional
  optional .k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 3;

  // The reason for the condition's last transition.
  // +optional
  optional string reason = 4;

  // A human readable message indicating details about the transition.
  // +optional
  optional string message = 5;
}

// DaemonSetList is a collection of daemon sets.
message DaemonSetList {

 * Expensive operations should live on {@link ComponentGraphResolveState} instead. Note that as a transition step, not all implementations currently honor this contract.</p>
 */
public interface ComponentGraphResolveMetadata {
    /**
     * Returns the identifier for this component.
     */
    ComponentIdentifier getId();

        private
        var mode: TrackerMode = Initial()

        private
        inline fun <T : TrackerMode> setMode(transition: (TrackerMode) -> T): T {
            synchronized(this) {
                val newMode = transition(mode)
                mode = newMode
                return newMode
            }
        }

			if oldState, ok := s.conns[c]; ok {
				if oldState != http.StateNew && oldState != http.StateIdle {
					panic("invalid state transition")
				}
				s.conns[c] = cs
			}
		case http.StateIdle:
			if oldState, ok := s.conns[c]; ok {
				if oldState != http.StateActive {
					panic("invalid state transition")
				}
				s.conns[c] = cs
			}
			if s.closed {
				s.closeConn(c)
			}

	BackupManifestPath(component string) string
	// BackupManifestDir should point to the backup directory used for backuping manifests during the transition
	BackupManifestDir() string
	// BackupEtcdDir should point to the backup directory used for backuping manifests during the transition
	BackupEtcdDir() string
	// CleanupDirs cleans up all temporary directories

        BuildState build,
        ProjectState owner,
        ClassLoaderScope selfClassLoaderScope,
        ClassLoaderScope baseClassLoaderScope,
        IProjectFactory projectFactory
    ) {
        controller.transition(State.NotCreated, State.Created, () -> {
            ProjectState parent = owner.getBuildParent();
            ProjectInternal parentModel = parent == null ? null : parent.getMutableModel();

					oldObject: map[string]interface{}{"field": "x"},
					expectErrs: []string{
						`field: Invalid value: "string": failed rule: self == oldSelf`,
					}},
			},
		},
		{name: "correlatable transition rule",
			// Ensures a transition rule under a "listMap" is supported.
			schema: apiextensions.JSONSchemaProps{
				Type: "object",
				Properties: map[string]apiextensions.JSONSchemaProps{
					"field": {