linktypes

type DeclaredLinkGraph interface {
	// Edges returns all the edges in the declared link graph.
	Edges() []*ResolvedLink
	// EdgesFrom returns the edges in the graph that have the given resource as the source.
	EdgesFrom(resourceName string) []*ResolvedLink
	// EdgesTo returns the edges in the graph that have the given resource as the target.
	EdgesTo(resourceName string) []*ResolvedLink
	// Resource looks up a resource by name in the graph and returns the resource schema,
	// its classification as concrete or abstract, and whether it was found.
	Resource(name string) (*schema.Resource, ResourceClass, bool)
}

type ResolvedLink struct {
	// The source resource name.
	Source string
	// The target resource name.
	Target string
	// The source resource type.
	SourceType string
	// The target resource type.
	TargetType string
	// The label keys that matched.
	// In the form "label::<key>:<value>" as per the
	// selector keys generated by GroupResourcesBySelector.
	SelectorKeys []string
}

type ResourceClass string