The context:load-time-weaver registers AspectJ's Load-time Weaver to the current classloader. So, not only Spring beans will be targeted, but any class loaded in the classloader that match the defined pointcuts.
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<context:load-time-weaver />
<bean id="processor" class="org.springbyexample.aspectjLoadTimeWeaving.Processor" />
</beans>