author Javen
 *  copyright description import { InMsg } from './InMsg' ; export class InLinkMsg extends InMsg { private title : string ; private description : string ; private url : string ; private msgId : string ; constructor ( toUserName , fromUserName , createTime , msgType ) { super ( toUserName , fromUserName , createTime , msgType ) ; } public get getTitle ( ) : string { return this . title ; } public set setTitle ( title ) { this . title = title ; } public get getDescription ( ) : string { return this . description ; } public set setDescription ( description ) { this . description = description ; } public get getUrl ( ) : string { return this . url ; } public set setUrl ( url ) { this . url = url ; } public get getMsgId ( ) : string { return this . msgId ; } public set setMsgId ( msgId ) { this . msgId = msgId ; } }