- config_init => sub {},
- config_save => sub {},
- config_get => sub { return $config{join(".", @{$_[0]})} },
- config_set => sub { $config{join(".", @{$_[0]})} = $_[1] },
- config_has => sub { exists($config{join(".", @{$_[0]})}) },
- config_del => sub { delete($config{join(".", @{$_[0]})}) },