使用ISO8859_1字符集获得Header内容<br> 由于Header中很少有中文，故一般情况下无需转码 @param headerKey 头信息的KEY @return 值

<code>optional int32 deleted = 14;</code>

<code>required string from_user = 2;</code>

<code>repeated int32 to_line = 2;</code>

@return 获得path（不带参数的路径）

构建Request对象 @param ctx ChannelHandlerContext @param nettyRequest Netty的HttpRequest @return Request

<code>required int32 line = 3;</code>

<code>optional int64 message_id = 4;</code>

<code>required int32 count = 3;</code>

<code>required int32 state = 2;</code> <pre> 0 normal; 1 deleted; </pre>

<code>optional string display_name = 3;</code>

<code>required string id = 1;</code>

<code>optional .MessageContent notify_content = 3;</code>

<code>repeated string to = 7;</code>

<code>repeated .Message message = 1;</code>

<code>repeated .Message message = 1;</code>

<code>optional string mobile = 5;</code>

Parse the configuration from file. @param file to parse @return the collector of authorizations form reader passed into. @throws ParseExce

sendResponse @param ctx @param status

<code>required string from_user = 2;</code>

<code>optional bytes data = 4;</code>

<code>required .Group group = 1;</code>

获得Http方法 @return Http method

<code>optional int64 server_timestamp = 5;</code>

<code>optional string extra = 9;</code>

<code>optional int32 type = 13;</code> <pre> 0 normal user; 1 robot </pre>

发送消息 @param sender 发送者用户ID @param conversation 会话信息 @param payload 消息内容 @return 发送结果，包含消息ID @throws Exception 请求失败时抛出异常

<code>required int32 code = 2;</code>

<code>required int32 scope = 1;</code>

<code>optional string to_user = 6;</code> <pre> not use anymore </pre>

发送响应到客户端<br> @return ChannelFuture @throws IOException

Factory method to instantiate the session store. @return the create instance of ISessionsStore.

<code>required .Conversation conversation = 1;</code>