Issue #3261253 by andypost, longwave: Remove deprecated path.module functions

<?php

namespace Drupal\path\Plugin\migrate\process\d6;

use Drupal\migrate\MigrateExecutableInterface;

use Drupal\migrate\ProcessPluginBase;

use Drupal\migrate\Row;

use Drupal\Core\Language\LanguageInterface;

/**

 * Url alias language code process.

 *

 * @MigrateProcessPlugin(

 *   id = "d6_url_alias_language",

 *   no_ui = TRUE

 * )

 *

 * @deprecated in drupal:9.3.0 and is removed from drupal:10.0.0. No direct

 *   replacement is provided.

 *

 * @see https://www.drupal.org/node/3219051

 */

class UrlAliasLanguage extends ProcessPluginBase {

  /**

   * {@inheritdoc}

   */

  public function __construct(array $configuration, $plugin_id, $plugin_definition) {

    @trigger_error(__CLASS__ . ' is deprecated in drupal:9.3.0 and is removed from drupal:10.0.0. No direct replacement is provided. See https://www.drupal.org/node/3219051', E_USER_DEPRECATED);

    parent::__construct($configuration, $plugin_id, $plugin_definition);

  }

  /**

   * {@inheritdoc}

   */

  public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {

    $langcode = ($value === '') ? LanguageInterface::LANGCODE_NOT_SPECIFIED : $value;

    return $langcode;

  }

}

<?php

namespace Drupal\Tests\path\Unit\migrate\process\d6;

use Drupal\path\Plugin\migrate\process\d6\UrlAliasLanguage;

use Drupal\Tests\migrate\Unit\process\MigrateProcessTestCase;

/**

 * Tests error message from deprecated UrlAliasLanguage process plugin.

 *

 * @group path

 * @group legacy

 * @coversDefaultClass \Drupal\path\Plugin\migrate\process\d6\UrlAliasLanguage

 */

class UrlAliasLanguageDeprecatedTest extends MigrateProcessTestCase {

  /**

   * Tests legacy UrlAliasLanguage process plugin.

   */

  public function testUrlAliasLanguageDeprecation() {

    $this->expectDeprecation("Drupal\path\Plugin\migrate\process\d6\UrlAliasLanguage is deprecated in drupal:9.3.0 and is removed from drupal:10.0.0. No direct replacement is provided. See https://www.drupal.org/node/3219051");

    new UrlAliasLanguage([], 'test', []);

  }

}