qRegisterMetaTypeStreamOperators<UserId>("UserId");
qRegisterMetaTypeStreamOperators<AccountId>("AccountId");
qRegisterMetaTypeStreamOperators<MsgId>("MsgId");
qRegisterMetaTypeStreamOperators<UserId>("UserId");
qRegisterMetaTypeStreamOperators<AccountId>("AccountId");
qRegisterMetaTypeStreamOperators<MsgId>("MsgId");