| BufferInfo | Basic buffer properties. |
| EofSensor | EOF sensor. |
| HttpMessageParser | Abstract message parser intended to build HTTP messages from an arbitrary data source. |
| HttpMessageWriter | Abstract message writer intended to serialize HTTP messages to an arbitrary data sink. |
| HttpTransportMetrics | The point of access to the statistics of SessionInputBuffer or
SessionOutputBuffer. |
| SessionInputBuffer | Session input buffer for blocking connections. |
| SessionOutputBuffer | Session output buffer for blocking connections. |