farm-2.x-dev/modules/core/api/tests/modules/farm_api_test/src/Plugin/Asset/AssetType/Test.php

<?php

namespace Drupal\farm_api_test\Plugin\Asset\AssetType;

use Drupal\farm_entity\Plugin\Asset\AssetType\FarmAssetType;

/**
 * Provides the test asset type.
 *
 * @AssetType(
 *   id = "test",
 *   label = @Translation("Test"),
 * )
 */
class Test extends FarmAssetType {

}