Session.sendAndSpliceAsync

void sendAndSpliceAsync(soup.message.Message msg,  gio.output_stream.OutputStream outStream,  gio.types.OutputStreamSpliceFlags flags,  int  ioPriority,  gio.cancellable.Cancellable cancellable =  null,  gio.types.AsyncReadyCallback callback =  null)

Asynchronously sends msg and splices the response body stream into out_stream. When callback is called, then either msg has been sent and its response body spliced, or else an error has occurred.

See [soup.session.Session.send] for more details on the general semantics.

Parameters

`msg`	a #SoupMessage
`outStream`	a #GOutputStream
`flags`	a set of #GOutputStreamSpliceFlags
`ioPriority`	the I/O priority of the request
`cancellable`	a #GCancellable
`callback`	the callback to invoke