| Exceptions |
| Files |
| RequestInterface | Expected behavior of an HTTP request |
| ResponseInterface | Representation of an outgoing, getServer-side response. |
| CLIRequest | Class CLIRequest |
| CURLRequest | Class OutgoingRequest |
| DownloadResponse | HTTP response when a download is requested. |
| Header | Class Header |
| IncomingRequest | Class IncomingRequest |
| Message | An HTTP message |
| Negotiate | Class Negotiate |
| RedirectResponse | Handle a redirect response |
| Request | Representation of an HTTP request. |
| Response | Representation of an outgoing, getServer-side response. |
| URI | Abstraction for a uniform resource identifier (URI). |
| UserAgent | Abstraction for an HTTP user agent |