annotations

var (
	// Currently there are only 2 types, warnings and info.
	// For now, info are visually identical with warnings as we have not updated
	// the API spec or the frontend to show a different kind of warning. But we
	// make the distinction here to prepare for adding them in future.
	PromQLInfo    = errors.New("PromQL info")
	PromQLWarning = errors.New("PromQL warning")

	InvalidQuantileWarning              = fmt.Errorf("%w: quantile value should be between 0 and 1", PromQLWarning)
	BadBucketLabelWarning               = fmt.Errorf("%w: bucket label %q is missing or has a malformed value", PromQLWarning, model.BucketLabel)
	MixedFloatsHistogramsWarning        = fmt.Errorf("%w: encountered a mix of histograms and floats for", PromQLWarning)
	MixedClassicNativeHistogramsWarning = fmt.Errorf("%w: vector contains a mix of classic and native histograms for metric name", PromQLWarning)
	NativeHistogramNotCounterWarning    = fmt.Errorf("%w: this native histogram metric is not a counter:", PromQLWarning)
	NativeHistogramNotGaugeWarning      = fmt.Errorf("%w: this native histogram metric is not a gauge:", PromQLWarning)

	PossibleNonCounterInfo                  = fmt.Errorf("%w: metric might not be a counter, name does not end in _total/_sum/_count/_bucket:", PromQLInfo)
	HistogramQuantileForcedMonotonicityInfo = fmt.Errorf("%w: input to histogram_quantile needed to be fixed for monotonicity (see https://prometheus.io/docs/prometheus/latest/querying/functions/#histogram_quantile) for metric name", PromQLInfo)
)