The document response for a server-side render.
| Name | Type | Description | 
|---|---|---|
| get | Array<string> | string | Get the value of a header by name. | 
| set | void | Set a header to a particular value. Removes all existing headers of this name. | 
| append | void | Append a header to the response, preserving the existing headers. | 
| status | void | Set the status code of the response. |