@Override
    public ResponseStatsHistogramBean getResponseStats(String organizationId, String apiId,
            String version, HistogramIntervalType interval, DateTime from, DateTime to) {
        ResponseStatsHistogramBean rval = new ResponseStatsHistogramBean();
        return rval;
    }
@see io.apiman.manager.api.core.IMetricsAccessor#getResponseStats(java.lang.String, java.lang.String, java.lang.String, io.apiman.manager.api.beans.metrics.HistogramIntervalType, org.joda.time.DateTime, org.joda.time.DateTime)
manager/api/core/src/main/java/io/apiman/manager/api/core/noop/NoOpMetricsAccessor.java