Collects stats by calling all delegates specified for stat collection,
formats them using ocean.util.prometheus.collector.StatFormatter
eventually, and finally returns the accumulated result. The
specifications of the format can be found at
https://prometheus.io/docs/instrumenting/exposition_formats/.
Collects stats by calling all delegates specified for stat collection, formats them using ocean.util.prometheus.collector.StatFormatter eventually, and finally returns the accumulated result. The specifications of the format can be found at https://prometheus.io/docs/instrumenting/exposition_formats/.