[vala/0.44] gio-2.0: Sync metadata from 0.46

[Rico Tzschichholz <ricotz src gnome org>]

commit d8b7d4e788ef34be9aab950aa23ca81fd3bde1c7
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Nov 7 12:15:27 2019 +0100

    gio-2.0: Sync metadata from 0.46

 vapi/metadata/Gio-2.0.metadata | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/vapi/metadata/Gio-2.0.metadata b/vapi/metadata/Gio-2.0.metadata
index e8a3bd222..4b8dfaf5d 100644
--- a/vapi/metadata/Gio-2.0.metadata
+++ b/vapi/metadata/Gio-2.0.metadata
@@ -141,9 +141,13 @@ InputStream
   .close abstract vfunc_name="close_fn" throws="GLib.IOError"
   .close_finish throws="GLib.IOError"
   .read abstract vfunc_name="read_fn" throws="GLib.IOError"
+  .read.buffer out=false
   .read_all throws="GLib.IOError"
+  .read_all.buffer out=false
+  .read_all_async.buffer out=false
   .read_all_async.io_priority default=()
   .read_all_async.cancellable default=()
+  .read_async.buffer out=false
   .read_finish throws="GLib.IOError"
   .skip throws="GLib.IOError"
   .skip_finish throws="GLib.IOError"