queryMySession method
【会话服务】获取某一个会话
[sessionId] 分为p2p/team/superTeam,格式分别是:p2p|accid、team|tid、super_team|tid
[sessionType] 会话类型
Implementation
Future<NIMResult<RecentSession>> queryMySession(
String sessionId, NIMSessionType sessionType) {
throw UnimplementedError('queryMySession() is not implemented');
}