org.apache.http.conn
Interfaces 
ClientConnectionManager
ClientConnectionManagerFactory
ClientConnectionOperator
ClientConnectionRequest
ConnectionKeepAliveStrategy
ConnectionReleaseTrigger
EofSensorWatcher
ManagedClientConnection
OperatedClientConnection
Classes 
BasicEofSensorWatcher
BasicManagedEntity
EofSensorInputStream
MultihomePlainSocketFactory
Exceptions 
ConnectionPoolTimeoutException
ConnectTimeoutException
HttpHostConnectException