NewDiscardProvider returns a provider that produces no-op metrics via the discarding backend.

NewDogstatsdProvider wraps the given Dogstatsd object and stop func and returns a Provider that produces Dogstatsd metrics.

NewExpvarProvider returns a Provider that produces expvar metrics.

NewGraphiteProvider wraps the given Graphite object and stop func and returns a Provider that produces Graphite metrics.

NewInfluxProvider takes the given Influx object and stop func, and returns a Provider that produces Influx metrics.

NewPrometheusProvider returns a Provider that produces Prometheus metrics.

NewStatsdProvider wraps the given Statsd object and stop func and returns a Provider that produces Statsd metrics.

Provider abstracts over constructors and lifecycle management functions for each supported metrics backend.