Collect stats from the data members of a struct or a class and prepare
them to be fetched upon the next call to getCollection. The
specifications of the format of the collected stats can be found at
https://prometheus.io/docs/instrumenting/exposition_formats/.
Collect stats from the data members of a struct or a class and prepare them to be fetched upon the next call to getCollection. The specifications of the format of the collected stats can be found at https://prometheus.io/docs/instrumenting/exposition_formats/.