EquivalentUpdate.php

<?php

namespace Drupal\Core\Update;

use Drupal\Core\StringTranslation\TranslatableMarkup;

/**
 * Value object to hold information about an equivalent update.
 *
 * @see module.api.php
 */
final class EquivalentUpdate {
    
    /**
     * Constructs a EquivalentUpdate object.
     *
     * @param string $module
     *   The module the update is for.
     * @param int $future_update
     *   The equivalent future update.
     * @param int $ran_update
     *   The update that already ran and registered the equivalent update.
     * @param string $future_version
     *   The future version that has the expected update.
     */
    public function __construct(string $module, int $future_update, int $ran_update, string $future_version) {
    }
    
    /**
     * Creates a message to explain why an update has been skipped.
     *
     * @return \Drupal\Core\StringTranslation\TranslatableMarkup
     *   An message explaining why an update has been skipped.
     */
    public function toSkipMessage() : TranslatableMarkup {
        return new TranslatableMarkup('Update @number for the @module module has been skipped because the equivalent change was already made in update @ran_update.', [
            '@number' => $this->future_update,
            '@module' => $this->module,
            '@ran_update' => $this->ran_update,
        ]);
    }

}