<?php
namespace AIAAS;

if (!defined('ABSPATH')) { exit; }

/**
 * Import strategy interface.
 *
 * A strategy returns an array of chapters or an empty array if it can't.
 *
 * @internal
 */
interface Import_Strategy {
    /**
     * A short machine name.
     */
    public function key(): string;

    /**
     * Run import strategy.
     *
     * @param array<string,mixed> $ctx
     * @return array<int,array{title:string,content:string}>
     */
    public function run(array $ctx): array;
}