compResults := make([]CompilationResult, len(celRules))
	maxCardinality := maxCardinality(declType.MinSerializedSize)
	for i, rule := range celRules {
		ruleEnvSet := oldSelfEnvSet
		if rule.OptionalOldSelf != nil && *rule.OptionalOldSelf {
			ruleEnvSet = optionalOldSelfEnvSet
		}
		compResults[i] = compileRule(s, rule, ruleEnvSet, envLoader, estimator, maxCardinality, perCallLimit)
	}

	return compResults, nil
}

  // `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

							Type: "string",
							XValidations: []apiextensionsv1.ValidationRule{
								{
									Rule:            "!oldSelf.hasValue()",
									Message:         "oldSelf must be null",
									OptionalOldSelf: ptr(true),
								},
							},
						},
					},
				}},

				applyPatchOperation{
					"create instance passes since oldself is null",

	*out = *in
	if in.Reason != nil {
		in, out := &in.Reason, &out.Reason
		*out = new(FieldValueErrorReason)
		**out = **in
	}
	if in.OptionalOldSelf != nil {
		in, out := &in.OptionalOldSelf, &out.OptionalOldSelf
		*out = new(bool)
		**out = **in
	}
	return
}

// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ValidationRule.

  // `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

	out.Message = in.Message
	out.MessageExpression = in.MessageExpression
	out.Reason = (*apiextensions.FieldValueErrorReason)(unsafe.Pointer(in.Reason))
	out.FieldPath = in.FieldPath
	out.OptionalOldSelf = (*bool)(unsafe.Pointer(in.OptionalOldSelf))
	return nil
}

// Convert_v1_ValidationRule_To_apiextensions_ValidationRule is an autogenerated conversion function.

	out.Message = in.Message
	out.MessageExpression = in.MessageExpression
	out.Reason = (*apiextensions.FieldValueErrorReason)(unsafe.Pointer(in.Reason))
	out.FieldPath = in.FieldPath
	out.OptionalOldSelf = (*bool)(unsafe.Pointer(in.OptionalOldSelf))
	return nil
}

// Convert_v1beta1_ValidationRule_To_apiextensions_ValidationRule is an autogenerated conversion function.

								{Rule: `self == "foo"`, OptionalOldSelf: ptr.To(true)},
							},
						},
					},
				},
			},
			expectedErrors: []validationMatch{
				invalid("spec.validation.openAPIV3Schema.properties[value].x-kubernetes-validations[0].optionalOldSelf"),
			},
		},
		{
			name: "forbid setting optionalOldSelf to false if oldSelf is not used",

			continue
		}
		if compiled.Program == nil {
			// rule is empty
			continue
		}

		// If ratcheting is enabled, allow rule with oldSelf to evaluate
		// when `optionalOldSelf` is set to true
		optionalOldSelfRule := ptr.Deref(rule.OptionalOldSelf, false)
		if compiled.UsesOldSelf && oldObj == nil {
			// transition rules are evaluated only if there is a comparable existing value

							}
						} else if schema.XValidations[i].OptionalOldSelf != nil {
							allErrs.CELErrors = append(allErrs.CELErrors, field.Invalid(fldPath.Child("x-kubernetes-validations").Index(i).Child("optionalOldSelf"), *schema.XValidations[i].OptionalOldSelf, "may not be set if oldSelf is not used in rule"))
						}
					}
				}
			}
		}
	}