Set the request body of a Message from [struct@GLib.
Bytes].
If content_type
is null and bytes
is not null
the Content-Type header will not be changed if present. The request body needs to be set again in case
this is restarted (in case of redirection or authentication).
this |
the message |
content_type |
MIME Content-Type of the body, or null if unknown |
bytes |
a Bytes with the request body data |