Gio.File.prototype.append_to_finish

function append_to_finish(res: Gio.AsyncResult): Gio.FileOutputStream {
    // Gjs wrapper for g_file_append_to_finish()
}

Finishes an asynchronous file append operation started with Gio.File.prototype.append_to_async.

res

Gio.AsyncResult

Returns

a valid Gio.FileOutputStream or null on error. Free the returned object with GObject.Object.prototype.unref.