resource

type Builder struct {
	// ClusterScoped is true for resource in cluster-level.
	ClusterScoped bool

	// Synthetic is true for resource that do not actually exist in a cluster
	Synthetic bool

	// Builtin is true for resources that are builtin (not CRD)
	Builtin bool

	// Identifier is the unique identifier for the resource
	Identifier string

	// Kind is the config proto type.
	Kind string

	// Plural is the type in plural.
	Plural string

	// Group is the config proto group.
	Group string

	// Version is the config proto version.
	Version string

	// VersionAliases is the config proto version aliases.
	VersionAliases []string

	// Proto refers to the protobuf message type name corresponding to the type
	Proto string

	StatusProto string

	// ReflectType is the type of the go struct
	ReflectType reflect.Type

	// StatusType is the type of the associated status.
	StatusType reflect.Type

	// ProtoPackage refers to the name of golang package for the protobuf message.
	ProtoPackage string

	// StatusPackage refers to the name of the golang status package.
	StatusPackage string

	// ValidateProto performs validation on protobuf messages based on this schema.
	ValidateProto validation.ValidateFunc
}

type Schema interface {
	fmt.Stringer

	// GroupVersionKind of the resource. This is the only way to uniquely identify a resource.
	GroupVersionKind() config.GroupVersionKind

	// GroupVersionResource of the resource.
	GroupVersionResource() schema.GroupVersionResource

	// IsClusterScoped indicates that this resource is scoped to a particular namespace within a cluster.
	IsClusterScoped() bool

	// IsBuiltin indicates that this resource is builtin (not a CRD)
	IsBuiltin() bool

	// Identifier returns a unique identifier for the resource
	Identifier() string

	// Kind for this resource.
	Kind() string

	// Plural returns the plural form of the Kind.
	Plural() string

	// Group for this resource.
	Group() string

	// Version of this resource.
	Version() string

	// GroupVersionAliasKinds is the GVK of this resource,
	// but the version is from its version aliases to perform version conversion.
	GroupVersionAliasKinds() []config.GroupVersionKind

	// APIVersion is a utility that returns a k8s API version string of the form "Group/Version".
	APIVersion() string

	// Proto returns the protocol buffer type name for this resource.
	Proto() string

	// ProtoPackage returns the golang package for the protobuf resource.
	ProtoPackage() string

	// NewInstance returns a new instance of the protocol buffer message for this resource.
	NewInstance() (config.Spec, error)

	// Status returns the associated status of the schema
	Status() (config.Status, error)

	// StatusKind returns the Kind of the status field. If unset, the field does not support status.
	StatusKind() string
	StatusPackage() string

	// MustNewInstance calls NewInstance and panics if an error occurs.
	MustNewInstance() config.Spec

	// Validate this schema.
	Validate() error

	// ValidateConfig validates that the given config message is of the correct type for this schema
	// and that the contents are valid.
	ValidateConfig(cfg config.Config) (validation.Warning, error)

	// Equal is a helper function for testing equality between Schema instances. This supports comparison
	// with the cmp library.
	Equal(other Schema) bool
}