// fails to validate. If no MessageExpression was given, or if this expression failed to compile, this will be nil.
	MessageExpression cel.Program
	// MessageExpressionError represents an error encountered during compilation of MessageExpression. If no error was
	// encountered, this will be nil.
	MessageExpressionError *apiservercel.Error
	// MessageExpressionMaxCost represents the worst-case cost of the compiled MessageExpression in terms of CEL's cost units,

	contains string
}

func messageExpressionError(contains string) validationMatcher {
	return messageExpressionErrorMatcher{contains: contains}
}

func (m messageExpressionErrorMatcher) matches(cr CompilationResult) bool {
	return cr.MessageExpressionError != nil && cr.MessageExpressionError.Type == cel.ErrorTypeInvalid && strings.Contains(cr.MessageExpressionError.Error(), m.contains)
}

							}
						}
						if cr.MessageExpressionError != nil {
							allErrs.CELErrors = append(allErrs.CELErrors, field.Invalid(fldPath.Child("x-kubernetes-validations").Index(i).Child("messageExpression"), schema.XValidations[i], cr.MessageExpressionError.Detail))
						} else {
							if cr.MessageExpression != nil {