gistfile1.php

class UsersServiceProvider extends ServiceProvider
{
    /**
     * Defer until needed. 
     */
    public $defer = true;

    /**
     * Repositories defined by the users module.
     *
     * @var array
     */
    protected $repositories = [
        UserRepositoryInterface::class => EloquentUserRepository::class
    ];

    /**
     * Define the listeners for this module.
     *
     * @var array
     */
    protected $listeners = [
        'Tectonic.Shift.Modules.Identity.Users.Events.UserHasRegistered' => NotificationListener::class
    ];
    
    /**
     * Ensure that the repository interface can be bound once called.
     *
     * @return array
     */
    public function provides()
    {
        return [
            UserRepositoryInterface::class
        ];
    }

    /**
     * There are some events that require the service provider to be registered.
     *
     * @return array
     */
    public function when()
    {
        return [
            'Tectonic.Shift.Modules.Identity.Users.Events.UserHasRegistered'
        ];
    }
}