org.apache.http.conn
Interfaces 
ClientConnectionManager
ClientConnectionManagerFactory
ClientConnectionOperator
ConnectionReleaseTrigger
EofSensorWatcher
ManagedClientConnection
OperatedClientConnection
SecureSocketFactory
SocketFactory
Classes 
BasicEofSensorWatcher
BasicManagedEntity
EofSensorInputStream
HostConfiguration
HttpRoute
PlainSocketFactory
RouteDirector
RouteTracker
Scheme
SchemeRegistry
Exceptions 
ConnectionPoolTimeoutException
ConnectTimeoutException