| Name | Description | Type | Package | Framework |
| AbstractConnPool | An abstract connection pool. | Class | org.apache.http.impl.conn.tsccm | Apache HttpComponents |
| BasicPooledConnAdapter | A connection wrapper and callback handler. | Class | org.apache.http.impl.conn.tsccm | Apache HttpComponents |
| BasicPoolEntry | Basic implementation of a connection pool entry. | Class | org.apache.http.impl.conn.tsccm | Apache HttpComponents |
| BasicPoolEntryRef | A weak reference to a BasicPoolEntry. | Class | org.apache.http.impl.conn.tsccm | Apache HttpComponents |
| ConnPoolByRoute | A connection pool that maintains connections by route. | Class | org.apache.http.impl.conn.tsccm | Apache HttpComponents |
| PoolEntryRequest | Encapsulates a request for a BasicPoolEntry. | Interface | org.apache.http.impl.conn.tsccm | Apache HttpComponents |
| RouteSpecificPool | A connection sub-pool for a specific route, used by ConnPoolByRoute. | Class | org.apache.http.impl.conn.tsccm | Apache HttpComponents |
| ThreadSafeClientConnManager | Manages a pool of OperatedClientConnection and is able to service connection requests from multiple execution threads. | Class | org.apache.http.impl.conn.tsccm | Apache HttpComponents |
| WaitingThread | Represents a thread waiting for a connection. | Class | org.apache.http.impl.conn.tsccm | Apache HttpComponents |
| WaitingThreadAborter | A simple class that can interrupt a WaitingThread. | Class | org.apache.http.impl.conn.tsccm | Apache HttpComponents |