func NewRootMetricsRegistry() RootRegistry {
	return &rootRegistry{
		registry:           metrics.NewRegistry(),
		idToMetricWithTags: make(map[metricTagsID]metricWithTags),
	}
}
// NewRootMetricsRegistry creates a new root registry for metrics.
NewRootMetricsRegistry creates a new root registry for metrics.
// NewRootMetricsRegistry creates a new root registry for metrics .
func NewRootMetricsRegistry() RootRegistry {
	return &rootRegistry{
		registry:           metrics.NewRegistry(),
		idToMetricWithTags: make(map[metricTagsID]metricWithTags),
	}
}
func NewRootMetricsRegistry ( ) RootRegistry { return & rootRegistry { registry : metrics . NewRegistry ( ) , idToMetricWithTags : make ( map [ metricTagsID ] metricWithTags ) , } }
NewRootMetricsRegistry creates a new root registry for metrics.
NewRootMetricsRegistry creates a new root registry for metrics .