type AtomicStaler struct {
	// contains filtered or unexported fields
}

type GenericResourceTestInfo struct {
	Paths internal.ResourcePaths
}

type ImageCache struct {
	// contains filtered or unexported fields
}

type PostBuildAssets struct {
	PostProcessResources map[string]postpub.PostPublishedResource
	JSConfigBuilder      *jsconfig.Builder
	// contains filtered or unexported fields
}

type ResourceCache struct {
	sync.RWMutex

	CacheResourceRemote *dynacache.Partition[string, resource.Resource]
	// contains filtered or unexported fields
}

type ResourceSourceDescriptor struct {
	// The source content.
	OpenReadSeekCloser hugio.OpenReadSeekCloser

	// The canonical source path.
	Path *paths.Path

	// The normalized name of the resource.
	NameNormalized string

	// The name of the resource as it was read from the source.
	NameOriginal string

	// The title of the resource.
	Title string

	// Any base paths prepended to the target path. This will also typically be the
	// language code, but setting it here means that it should not have any effect on
	// the permalink.
	// This may be several values. In multihost mode we may publish the same resources to
	// multiple targets.
	TargetBasePaths []string

	TargetPath           string
	BasePathRelPermalink string
	BasePathTargetPath   string
	SourceFilenameOrPath string // Used for error logging.

	// The Data to associate with this resource.
	Data map[string]any

	// The Params to associate with this resource.
	Params maps.Params

	// Delay publishing until either Permalink or RelPermalink is called. Maybe never.
	LazyPublish bool

	// Set when its known up front, else it's resolved from the target filename.
	MediaType media.Type

	// Used to track dependencies (e.g. imports). May be nil if that's of no concern.
	DependencyManager identity.Manager

	// A shared identity for this resource and all its clones.
	// If this is not set, an Identity is created.
	GroupIdentity identity.Identity
}

type ResourceTransformation interface {
	Key() internal.ResourceTransformationKey
	Transform(ctx *ResourceTransformationCtx) error
}

type ResourceTransformationCtx struct {
	// The context that started the transformation.
	Ctx context.Context

	// The dependency manager to use for dependency tracking.
	DependencyManager identity.Manager

	// The content to transform.
	From io.Reader

	// The target of content transformation.
	// The current implementation requires that r is written to w
	// even if no transformation is performed.
	To io.Writer

	// This is the relative path to the original source. Unix styled slashes.
	SourcePath string

	// This is the relative target path to the resource. Unix styled slashes.
	InPath string

	// The relative target path to the transformed resource. Unix styled slashes.
	OutPath string

	// The input media type
	InMediaType media.Type

	// The media type of the transformed resource.
	OutMediaType media.Type

	// Data data can be set on the transformed Resource. Not that this need
	// to be simple types, as it needs to be serialized to JSON and back.
	Data map[string]any

	// This is used to publish additional artifacts, e.g. source maps.
	// We may improve this.
	OpenResourcePublisher func(relTargetPath string) (io.WriteCloser, error)
}

type ResourceTransformer interface {
	resource.Resource
	Transformer
}

type Spec struct {
	*helpers.PathSpec

	Logger       loggers.Logger
	ErrorSender  herrors.ErrorSender
	BuildClosers types.CloseAdder
	Rebuilder    identity.SignalRebuilder

	TextTemplates tpl.TemplateParseFinder

	Permalinks page.PermalinkExpander

	ImageCache *ImageCache

	ExecHelper *hexec.Exec

	*SpecCommon
	// contains filtered or unexported fields
}

type SpecCommon struct {
	ResourceCache *ResourceCache
	FileCaches    filecache.Caches

	// Assets used after the build is done.
	// This is shared between all sites.
	*PostBuildAssets
	// contains filtered or unexported fields
}

type StaleValue[V any] struct {
	// The value.
	Value V

	// StaleVersionFunc reports the current version of the value.
	// This always starts out at 0 and get incremented on staleness.
	StaleVersionFunc func() uint32
}

type Transformer interface {
	Transform(...ResourceTransformation) (ResourceTransformer, error)
	TransformWithContext(context.Context, ...ResourceTransformation) (ResourceTransformer, error)
}