has '_posts' => (is => 'ro', lazy => 1, traits => ['Hash'], isa => 'HashRef[HashRef]', builder => '_load_posts',                                
                handles => { set_post => 'set', get_post => 'get', num_posts => 'count',                                                       
                post_pairs => 'kv', post_keys => 'keys' }, writer => '_set_posts');