+/**
+ * modest_account_protocol_handle_calendar:
+ * @self: a #ModestAccountProtocol
+ * @window: the #ModestWindow requesting to handle calendar
+ * @calendar_part: a #TnyMimePart
+ * @container: a #GtkContainer (a #GtkVBox now)
+ *
+ * Instruct the account protocol to handle a calendar mime part. The account protocol
+ * will fill @container with the controls to handle the @calendar invitation.
+ *
+ * Returns: %TRUE if account protocol handles the calendar request, %FALSE otherwise
+ */
+gboolean modest_account_protocol_handle_calendar (ModestAccountProtocol *self,
+ ModestWindow *window,
+ TnyMimePart *calendar_part,
+ GtkContainer *container);
+