<?xml version="1.0" encoding="utf-8"?><containerxmlns="http://symfony.com/schema/dic/services"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://symfony.com/schema/dic/services https://symfony.com/schema/dic/services/services-1.0.xsd">  <services>    <serviceid="foo"class="Symfony\Component\DependencyInjection\Tests\Fixtures\Bar">      <argumenttype="collection">        <argumentkey-type="constant"key="PHP_INT_MAX">Value 1</argument>        <argumentkey="PHP_INT_MAX">Value 2</argument>        <argumentkey-type="binary"key="AQID">Value 3</argument>      </argument>    </service>  </services></container>

publicfunctiontestArgumentKeyType()    {// ...$definition =$container->getDefinition('foo');$this->assertSame([            \PHP_INT_MAX =>'Value 1','PHP_INT_MAX' =>'Value 2',"\x01\x02\x03" =>'Value 3',        ],$definition->getArgument(0));    }