in rules/argument.go [156:170]
func (a *HeadMetaArgs) updateRange(arg *Arg) {
if a.Range == nil {
a.Range = &hcl.Range{
Filename: arg.Range.Filename,
Start: hcl.Pos{Line: math.MaxInt},
End: hcl.Pos{Line: -1},
}
}
if a.Range.Start.Line > arg.Range.Start.Line {
a.Range.Start = arg.Range.Start
}
if a.Range.End.Line < arg.Range.End.Line {
a.Range.End = arg.Range.End
}
}