log/filtered/filtered.go
func Wrap(logger log.Interface, filters ...Filter) *Filtered {
	return &Filtered{
		Interface: logger,
		filters:   filters,
	}
}
func Wrap(logger log.Interface, filters ...Filter) *Filtered {
	return &Filtered{
		Interface: logger,
		filters:   filters,
	}
}
// Wrap wraps an existing logger, filtering the fields as it goes along
// using the provided filters