Packages 
Package Description
org.apache.commons.betwixt
This package contains the main betwixt introspection code.
org.apache.commons.betwixt.digester
This package contains the Digester and associated rules and helper classes for parsing the XMLBeanInfo metadata from an XML file format.
org.apache.commons.betwixt.expression
This package contains the system which extracts values from beans.
org.apache.commons.betwixt.io
Package contains classes dealing directly with the reading and writing of beans.
org.apache.commons.betwixt.io.id
This package is home to IDGenerator implementations.
org.apache.commons.betwixt.registry
This package contains various plugins that can be used with XMLIntrospector to customize it's caching behaviour (or programmatically modify the XmlBeanInfo finding).
org.apache.commons.betwixt.strategy
This package contains a variety of plugin Strategy patterns that can be used to customize the default behaviour.of the XMLIntrospector