Javadoc for package XXX

Packages
Package
Description
Main Ehcache API, including cache managers and caches.
CacheManager configuration, Cache configuration and other configuration classes.
ResourceUnit implementations
CacheEvent and related types.
Expiry API of a Cache.
Annotations processed by the Gradle build to restrict the set of source files presented to Javadoc.
Copier SPI in Ehcache.
PersistableResourceService and other persistence related SPI.
Serializer SPI in Ehcache.
Service SPI related in Ehcache.