cannot range over externalLabels (variable of struct type labels.Labels)

invalid argument: lbls (variable of struct type labels.Labels) for built-in len

invalid argument: cannot make labels.Labels: type must be slice, map, or channel

cannot range over i.common.ExtraLabels (variable of struct type "github.com/prometheus/prometheus/model/labels".Labels)

cannot use res (variable of struct type "github.com/prometheus/prometheus/model/labels".Labels) as sort.Interface value in argument to sort.Sort: "github.com/prometheus/prometheus/model/labels".Labels does not implement sort.Interface (missing method Less)

cannot use nil as "github.com/prometheus/prometheus/model/labels".Labels value in argument to promlabels.NewBuilder

invalid argument: processedLabels (variable of struct type "github.com/prometheus/prometheus/model/labels".Labels) for built-in len

cannot use res (variable of struct type "github.com/prometheus/prometheus/model/labels".Labels) as sort.Interface value in argument to sort.Sort: "github.com/prometheus/prometheus/model/labels".Labels does not implement sort.Interface (missing method Less)

invalid append: argument must be a slice; have res (variable of struct type "github.com/prometheus/prometheus/model/labels".Labels)