question: returns a copy of this record 's metrics . concode_field_sep MetricMap metricMap concode_elem_sep TagMap tagMap concode_field_sep TagMap getTagsCopy concode_elem_sep Number getMetric concode_elem_sep Object getTag concode_elem_sep Set<String> getMetricNames concode_elem_sep Set<String> getTagNames
target: MetricMap function ( ) { return new MetricMap ( metricMap ) ; }