| Package | Description | 
|---|---|
| org.ehcache | 
 Main Ehcache API, including  
cache managers and
 caches. | 
| org.ehcache.config | 
CacheManager configuration,
 Cache configuration and other configuration classes. | 
| org.ehcache.config.builders | 
 Builders designed to help with programmatic configuration of Ehcache using a fluent API 
 | 
| org.ehcache.config.units | 
ResourceUnit implementations | 
| org.ehcache.event | 
CacheEvent and related types. | 
| org.ehcache.expiry | |
| org.ehcache.spi.copy | 
Copier SPI in Ehcache. | 
| org.ehcache.spi.loaderwriter | 
CacheLoaderWriter SPI for a Cache. | 
| org.ehcache.spi.persistence | 
PersistableResourceService and other persistence
 related SPI. | 
| org.ehcache.spi.resilience | 
ResilienceStrategy API of a Cache. | 
| org.ehcache.spi.serialization | 
Serializer SPI in Ehcache. | 
| org.ehcache.spi.service | 
Service SPI related in Ehcache. |