scrape/target.go
func NewTarget(labels, discoveredLabels labels.Labels, params url.Values) *Target {
	return &Target{
		labels:           labels,
		discoveredLabels: discoveredLabels,
		params:           params,
		health:           HealthUnknown,
	}
}
func NewTarget(labels, discoveredLabels labels.Labels, params url.Values) *Target {
	return &Target{
		labels:           labels,
		discoveredLabels: discoveredLabels,
		params:           params,
		health:           HealthUnknown,
	}
}
// NewTarget creates a reasonably configured target for querying.