gistfile1.php

  /**
   * {@inheritdoc}
   *
   * Uses late static binding to create an instance of this class with
   * injected dependencies.
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static(
      $configuration,
      $plugin_id,
      $plugin_definition,
      $container->get('weatherService'),
      $container->get('config.factory'),
      $container->get('state')
    );
  }

  /**
   * @param array $configuration
   * @param string $plugin_id
   * @param mixed $plugin_definition
   * @param \Drupal\weather\WeatherServiceInterface $weatherService
   * @param \Drupal\Core\Config\ConfigFactoryInterface $configFactory
   * @param \Drupal\Core\State\StateInterface $state
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, WeatherServiceInterface $weatherService, ConfigFactoryInterface $configFactory, StateInterface $state) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->weatherService = $weatherService;
    $this->configFactory = $configFactory;
    $this->state = $state;
  }