utils

type ExcludedLabel struct {
	Reason   string
	Fragment string
}

type Source struct {
	Selectors        []*promParser.VectorSelector
	Call             *promParser.Call
	ExcludeReason    map[string]ExcludedLabel // Reason why a label was excluded
	Operation        string
	Returns          promParser.ValueType
	ReturnedNumbers  []float64 // If AlwaysReturns=true this is the number that's returned
	IncludedLabels   []string  // Labels that are included by filters, they will be present if exist on source series (by).
	ExcludedLabels   []string  // Labels guaranteed to be excluded from the results (without).
	GuaranteedLabels []string  // Labels guaranteed to be present on the results (matchers).
	Type             SourceType
	FixedLabels      bool // Labels are fixed and only allowed labels can be present.
	IsDead           bool // True if this source cannot be reached and is dead code.
	AlwaysReturns    bool // True if this source always returns results.
}

type SourceType int