BeanListFactoryBean does not have "lists" property

Tried to configure spring-plug bean, BeanListFactoryBean, as per example in introduction. It seems there is no "lists" property in this bean (couldn't see it in the source either). The resultant exception is this:

SEVERE: Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.plugin.core.support.BeanListFactoryBean#0' defined in class path resource [plugins-config-host.xml]: Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'lists' of bean class [org.springframework.plugin.core.support.BeanListFactoryBean]: Bean property 'lists' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter? at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1512) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1220) ...