BucketsToStrings extracts strings from buckets as a chart's labels.

HeatMapToMap converts a HeatMap into a map that uses time as key.

MetricsValuesArrayToMap converts Array of MetricsValues into a map that uses time as key.

MetricsValuesToMap converts MetricsValues into a map that uses time as key.

ParseScope defines the scope based on the input parameters.

ParseScopeInTop defines the scope based on the metrics' name.

StepDuration is a mapping from schema.Step to its time.Duration.

StepFormats is a mapping from schema.Step to its time format.