This is the default implementation of an AWS SDK request metric collection
Returns the singleton instance; or null if there isn't one.
Starts a new CloudWatch collector if it's not already started.
- true if it is successfully started by this call; false if the
collector is already running or if there is failure in trying to start
the collector for the first time.
Retarts with a new CloudWatch collector.
+ " has neven been initialized");
Returns true if the collector is successfully created and started;
Stops this collector immediately, dropping all pending metrics in memory.
Returns the configuration.