typed.go
func (t Typed) MapOr(key string, d map[string]interface{}) map[string]interface{} {
	if value, exists := t.MapIf(key); exists {
		return value
	}
	return d
}
func (t Typed) MapOr(key string, d map[string]interface{}) map[string]interface{} {
	if value, exists := t.MapIf(key); exists {
		return value
	}
	return d
}
// Returns a map[string]interface{} at the key
// or the specified default if the key doesn't exist
// or if the key isn't a map[string]interface