File: vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/services2.xml

<?xml version="1.0" ?>

<container xmlns="http://symfony.com/schema/dic/services"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
  <parameters>
    <parameter>a string</parameter>
    <parameter key="FOO">bar</parameter>
    <parameter key="values" type="collection">
      <parameter>0</parameter>
      <parameter key="integer">4</parameter>
      <parameter key="100">null</parameter>
      <parameter type="string">true</parameter>
      <parameter>true</parameter>
      <parameter>false</parameter>
      <parameter>on</parameter>
      <parameter>off</parameter>
      <parameter key="float">1.3</parameter>
      <parameter>1000.3</parameter>
      <parameter>a string</parameter>
      <parameter type="collection">
        <parameter>foo</parameter>
        <parameter>bar</parameter>
      </parameter>
    </parameter>
    <parameter key="MixedCase" type="collection"> <!-- Should be lower cased -->
      <parameter key="MixedCaseKey">value</parameter> <!-- Should stay mixed case -->
    </parameter>
    <parameter key="constant" type="constant">PHP_EOL</parameter>
  </parameters>
</container>