store

type Node interface {
	Name() domainname.DomainName
	GetValue(typ mindnspb.Type) ([]mindnspb.ProtoRR, error)
	Values() ([]mindnspb.Type, map[mindnspb.Type][]mindnspb.ProtoRR, error)
	CreateChild(label string) (Node, error)
	IsEmpty() bool
	IsRoot() bool
	HasDescendants() (bool, error)
	SetValue(typ mindnspb.Type, rrs []mindnspb.ProtoRR) error
	DeleteValue(typ mindnspb.Type) error
	Descendants(withValueOnly bool, cb func(n Node) (bool, error)) error
	Ancestors(cb func(n Node) (bool, error)) error
}

type Tree interface {
	Name() domainname.DomainName
	RootNode() (Node, error)
	GetNode(name domainname.DomainName) (Node, error)
	DeleteNode(name domainname.DomainName, recursive bool) error
}

type TreeStore interface {
	ReadTree(ctx context.Context, fn func(Tree) error) error
	WriteTree(ctx context.Context, fn func(Tree) error) error
}