diags

type Diagnostic struct {
	Expr        promParser.Node `yaml:"-"`
	Message     string
	Pos         PositionRanges `yaml:"-"`
	FirstColumn int            // 1-indexed
	LastColumn  int            // 1-indexed
	Kind        Kind
}

type Kind uint8

type LineRange struct {
	First int
	Last  int
}

type PositionRange struct {
	Line        int // 1-indexed
	FirstColumn int // 1-indexed
	LastColumn  int // 1-indexed
}

type PositionRanges []PositionRange