currency-8.x-3.3/src/Plugin/Currency/ExchangeRateProvider/HistoricalRates.php

<?php

namespace Drupal\currency\Plugin\Currency\ExchangeRateProvider;

use Commercie\CurrencyExchange\HistoricalExchangeRateProvider;

/**
 * Provides historical exchange rates.
 *
 * @CurrencyExchangeRateProvider(
 *   id = "currency_historical_rates",
 *   label = @Translation("Historical rates")
 * )
 */
class HistoricalRates extends ExchangeRateProviderDecorator {

  /**
   * Constructs a new instance.
   *
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin_id for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition) {
    parent::__construct($configuration, $plugin_id, $plugin_definition, new HistoricalExchangeRateProvider());
  }

}