Packages 
Package Description
org.cache2k
Main package for cache2k API containing functions to build and access a cache.
org.cache2k.annotation
Containing NonNull and Nullable annotations.
org.cache2k.config
The cache configuration as a Java bean and support types.
org.cache2k.event
Events that are fired on behalf of a cache operation.
org.cache2k.expiry
Set of interfaces for customizing the expiry behavior.
org.cache2k.integration
Loader and writer to integrate with external data sources.
org.cache2k.io
Loader and writer to integrate with external data sources.
org.cache2k.operation
Operational aspects of a cache, like accessing statistics, basic information, change runtime parameters and customizations that augment general behavior.
org.cache2k.processor
Entry processor and supporting types for custom atomic operations on a cache entry.
org.cache2k.spi
Service provider interface that is used by the cache2k implementation.