func (NopMetricsCollector) MeasureDurationMsSince(MetricName, time.Time, map[string]string) error {
	return nil
}
MeasureDurationMsSince satisfies the Collector interface
package metrics
import (
	"time"
)
type NopMetricsCollector struct {
}
func newNopMetricsCollector() Collector {
	return &NopMetricsCollector{}
}
func InitNopMetricsCollector() error {
	SetGlobMetricsCollector(newNopMetricsCollector())
	return nil
}