<?xml version="1.0" encoding="UTF-8"?>
<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0">

    <bean class="java.lang.System" factory-method="setProperty">
        <argument value="PROP1"/>
        <argument value="VALUE1"/>
    </bean>

    <bean class="java.lang.System" factory-method="setProperty">
        <argument value="PROP2"/>
        <argument value="VALUE2"/>
    </bean>

</blueprint>