DurationBuckets returns a []float64 of default threshold values for duration histograms.

Measure returns a deferrable function that observes the duration between the defer statement and the end of the function.

Returns a map of summary objectives (quantile-error pairs).

Reasons for CREATE/DELETE shared metrics.

Common namespace for application metrics.

Store is a mapping from a key to a list of Metrics Each time Update() is called for a key on Store, the metric store ensures that all metrics are "refreshed" for all currently tracked metrics assigned to the key.

StoreMetric is a single state metric associated with a prometheus.GaugeVec.