public function add_meta_boxes($post)
{
// Add the publish meta box
add_meta_box('apple_news_publish', __('Apple News', 'apple-news'), array($this, 'publish_meta_box'), $post->post_type, apply_filters('apple_news_publish_meta_box_context', 'side'), apply_filters('apple_news_publish_meta_box_priority', 'high'));
}