mapping

type Mapper interface {
	StorePolicy(in *storekey.Policy) *proto.StorePolicy
	FromStorePolicy(in *proto.StorePolicy) *storekey.Policy

	// field:KeepWithin using:"Seconds"
	RetentionPolicy(in *retention.Policy) *proto.RetentionPolicy
	// field:KeepWithin using:"Duration"
	FromRetentionPolicy(in *proto.RetentionPolicy) *retention.Policy

	SetRetention(in index.SetRetention) *proto.GetRetentionResponse
	FromSetRetention(in *proto.GetRetentionResponse) index.SetRetention

	// Effective is a policy in force, which is never unset.
	// field:KeepWithin using:"Seconds"
	Effective(in retention.Policy) *proto.RetentionPolicy
	// FromEffective is Effective's inverse.
	// field:KeepWithin using:"Duration"
	FromEffective(in *proto.RetentionPolicy) retention.Policy

	RetentionBracket(in retention.Bracket) *proto.RetentionBracket
	FromRetentionBracket(in *proto.RetentionBracket) retention.Bracket
}