"x-kubernetes-validations": [
              {
                "rule": "ruleValue",
                "message": "messageValue",
                "messageExpression": "messageExpressionValue",
                "reason": "reasonValue",
                "fieldPath": "fieldPathValue",
                "optionalOldSelf": true
              }
            ]
          }

)

// Format provides a CEL library exposing common named Kubernetes string
// validations. Can be used in CRD ValidationRules messageExpression.
//
//  Example:
//
//    rule:              format.dns1123label.validate(object.metadata.name).hasValue()
//    messageExpression: format.dns1123label.validate(object.metadata.name).value().join("\n")
//
// format.named(name: string) -> ?Format
//

	XMapType() string
	XValidations() []ValidationRule
}

// ValidationRule represents a single x-kubernetes-validations rule.
type ValidationRule interface {
	Rule() string
	Message() string
	MessageExpression() string
	FieldPath() string
}

// SchemaOrBool contains either a schema or a boolean indicating if the object
// can contain any fields.
type SchemaOrBool interface {
	Schema() Schema
	Allows() bool