+/**
+ * modest_mail_operation_get_mime_part_size:
+ * @self: a #ModestMailOperation
+ * @part: a #TnyMimePart
+ * @user_callback: a #GetMimePartSizeAsyncUserCallback
+ * @user_data: user data passed to the user callback
+ *
+ * gets the size of the mime part, simply getting all the stream.
+ */
+void modest_mail_operation_get_mime_part_size (ModestMailOperation *self,
+ TnyMimePart *part,
+ GetMimePartSizeCallback user_callback,
+ gpointer user_data,
+ GDestroyNotify notify);
+