object created. */ public function submit(): Post; /** * Function: update * Handles updating a post. */ public function update($post): Post|false; /** * Function: title * Returns the appropriate source to be treated as a "title" of a post. * If there is no immediate solution, you may use . */ public function title($post): string; /** * Function: excerpt * Returns the appropriate source, unmodified, to be used as an excerpt of a post. */ public function excerpt($post): string; /** * Function: feed_content * Returns the appropriate content for a feed. */ public function feed_content($post): string; }