muninn/app/Support/Publishing/Publisher.php

<?php

namespace App\Support\Publishing;

use App\Models\Post;
use App\Models\SocialAccount;

interface Publisher
{
    /**
     * Whether this publisher handles the given post's type. Does not imply
     * the post is actually publishable (see publish()'s rejected results).
     */
    public function supports(Post $post): bool;

    public function publish(Post $post, ?SocialAccount $socialAccount = null): PublishResult;
}