From deee8bb00c3c3ba44a75855d6db82ce0f9520daa Mon Sep 17 00:00:00 2001
From: yukun <kun.yu@zilliz.com>
Date: Sun, 3 Oct 2021 21:40:14 +0800
Subject: [PATCH] [skip ci]Format messsage stream docs (#9164)

Signed-off-by: fishpenguin <kun.yu@zilliz.com>
---
 docs/developer_guides/chap04_message_stream.md | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/docs/developer_guides/chap04_message_stream.md b/docs/developer_guides/chap04_message_stream.md
index 3b15440d96..d6ccf0df14 100644
--- a/docs/developer_guides/chap04_message_stream.md
+++ b/docs/developer_guides/chap04_message_stream.md
@@ -215,11 +215,13 @@ type MsgStream interface {
 	AsProducer(channels []string)
 	AsConsumer(channels []string, subName string)
 	SetRepackFunc(repackFunc RepackFunc)
-	
-	Produce(context.Context, *MsgPack) error
-	Broadcast(context.Context, *MsgPack) error
-	Consume() (*MsgPack, context.Context)
-	Seek(offset *MsgPosition) error
+	ComputeProduceChannelIndexes(tsMsgs []TsMsg) [][]int32
+	GetProduceChannels() []string
+	Produce(*MsgPack) error
+	Broadcast(*MsgPack) error
+	BroadcastMark(*MsgPack) (map[string][]MessageID, error)
+	Consume() *MsgPack
+	Seek(offset []*MsgPosition) error
 }
 
 type MsgStreamFactory interface {