policies := make(map[string]MappedPolicy, m.Size())
	m.Range(func(k string, v MappedPolicy) bool {
		policies[k] = v
		return true
	})
	return policies
}

// converts a mapped policy into a slice of distinct policies
func (mp MappedPolicy) toSlice() []string {
	var policies []string
	for _, policy := range strings.Split(mp.Policies, ",") {
		if strings.TrimSpace(policy) == "" {
			continue
		}