provider

type Collector interface {
	Register(r Registry) error
	Collect(ctx context.Context, ch chan<- prometheus.Metric) error
	Describe(chan<- *prometheus.Desc) error
	Name() string
}

type Provider interface {
	prometheus.Collector
	RegisterCollectors(r Registry) error
}

type RegionsProvider interface {
	Regions() []string
}

type Registry interface {
	prometheus.Registerer
	prometheus.Gatherer
	prometheus.Collector
}