Equip\Configuration\RelayConfiguration::apply PHP Method

    public function apply(Injector $injector)
    {
        $injector->define(RelayBuilder::class, ['resolver' => ResolverInterface::class]);
        $factory = function (RelayBuilder $builder, MiddlewareSet $queue) {
            return $builder->newInstance($queue);
        };
        $injector->delegate(Relay::class, $factory);
    }