builder_1_services.xml

<?xml version="1.0" encoding="UTF-8"?>
<container>
  <alias id="alias_1" service="service_1" public="true"/>
  <alias id="alias_2" service="service_2" public="false"/>
  <definition id="definition_1" class="Full\Qualified\Class1" public="true" synthetic="false" lazy="true" shared="true" abstract="true" file="">
    <factory class="Full\Qualified\FactoryClass" method="get"/>
  </definition>
  <definition id="definition_2" class="Full\Qualified\Class2" public="false" synthetic="true" lazy="false" shared="true" abstract="false" file="/path/to/file">
    <factory service="factory.service" method="get"/>
    <tags>
      <tag name="tag1">
        <parameter name="attr1">val1</parameter>
        <parameter name="attr2">val2</parameter>
      </tag>
      <tag name="tag1">
        <parameter name="attr3">val3</parameter>
      </tag>
      <tag name="tag2"/>
    </tags>
  </definition>
  <service id="service_container" class="Symfony\Component\DependencyInjection\ContainerBuilder"/>
</container>