edlp_d8/core/lib/Drupal/Core/DependencyInjection/ContainerInjectionInterface.php

<?php

namespace Drupal\Core\DependencyInjection;

use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Defines a common interface for dependency container injection.
 *
 * This interface gives classes who need services a factory method for
 * instantiation rather than defining a new service.
 */
interface ContainerInjectionInterface {

  /**
   * Instantiates a new instance of this class.
   *
   * This is a factory method that returns a new instance of this class. The
   * factory should pass any needed dependencies into the constructor of this
   * class, but not the container itself. Every call to this method must return
   * a new instance of this class; that is, it may not implement a singleton.
   *
   * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
   *   The service container this instance should use.
   */
  public static function create(ContainerInterface $container);

}