and DoesNotExist.
                            type: string
                          values:
                            description: values is an array of string values. If the
                              operator is In or NotIn, the values array must be non-empty.
                              If the operator is Exists or DoesNotExist, the values

// relates the key and values.
message LabelSelectorRequirement {
  // key is the label key that the selector applies to.
  // +patchMergeKey=key
  // +patchStrategy=merge
  optional string key = 1;

  // operator represents a key's relationship to a set of values.
  // Valid operators are In, NotIn, Exists and DoesNotExist.
  optional string operator = 2;

		}
		// Ref: https://istio.io/latest/docs/ops/deployment/requirements/#pod-requirements
		if container.Name != "istio-proxy" && container.Name != "istio-operator" {
			if container.SecurityContext != nil && container.SecurityContext.RunAsUser != nil {
				if *container.SecurityContext.RunAsUser == UserID {