+/**
+ * modest_mail_operation_run_queue:
+ * @self: a #ModestMailOperation
+ * @queue: a #ModestTnySendQueue
+ *
+ * This mail operation is special. It should be running every time the send queue
+ * is running (after queue-start), and we should notify end of the operation
+ * after queue-end. Then, we should only set this queue on queue-start signal, and
+ * it will clean up the operation (notify end) on queue-end.
+ */
+void modest_mail_operation_run_queue (ModestMailOperation *self,
+ ModestTnySendQueue *queue);
+