package config

// KeyValue is config key value.
type KeyValue struct {
	Key      string
	Value    []byte
	Metadata map[string]string
}

// Source is config source.
type Source interface {
	Load() ([]*KeyValue, error)
	Watch() (Watcher, error)
}

// Watcher watches a source for changes.
type Watcher interface {
	Next() ([]*KeyValue, error)
	Close() error
}