module StatsD
The `StatsD` module contains low-level metrics for collecting metrics and sending them to the backend.
@see .singleton_client Metric method calls on the `StatsD` singleton will
be handled by the client assigned to `StatsD.singleton_client`.
@see StatsD::Instrument
`StatsD::Instrument` contains module to instrument
existing methods with StatsD metrics
Attributes
logger[RW]
The logger to use in case of any errors.
@return [Logger] @see StatsD::Instrument::LogSink