org.apache.catalina (Catalina Internal API Documentation) org.apache.catalina
Interfaces 
Authenticator
Cluster
Connector
Contained
Container
ContainerListener
ContainerServlet
Context
Deployer
Engine
Host
HttpRequest
HttpResponse
InstanceListener
Lifecycle
LifecycleListener
Loader
Logger
Manager
Mapper
Pipeline
Realm
Request
Response
Server
Service
Session
SessionListener
Store
Valve
ValveContext
Wrapper
Classes 
ContainerEvent
Globals
InstanceEvent
LifecycleEvent
ServerFactory
SessionEvent
Exceptions 
LifecycleException