type Registry struct {
	// AdminStorage is the storage implementation to use for persisting tree metadata.
	storage.AdminStorage
	// LogStorage is the storage implementation to use for persisting logs.
	storage.LogStorage
	// ElectionFactory provides Election instances for each tree.
	ElectionFactory election2.Factory
	// QuotaManager provides rate limiting capabilities for Trillian.
	QuotaManager quota.Manager
	// MetricFactory provides metrics for monitoring.
	monitoring.MetricFactory
	// SetProcessStatus sets the current process status for diagnostic purposes.
	SetProcessStatus func(string)
}