typed.go
func (t Typed) StringString(key string) map[string]string {
	raw, ok := t.getmap(key)
	if ok == false {
		return nil
	}
	m := make(map[string]string, len(raw))
	for k, value := range raw {
		m[k] = value.(string)
	}
	return m
}
func (t Typed) StringString(key string) map[string]string {
	raw, ok := t.getmap(key)
	if ok == false {
		return nil
	}
	m := make(map[string]string, len(raw))
	for k, value := range raw {
		m[k] = value.(string)
	}
	return m
}
// Returns an map[string]string